The engineering and research unit of All American Aviation, once the principal feeder airline for the mid-Atlantic region, became the All American Engineering Company in 1953. Their records document the early evolution of All American Aviation, the development of its system of air pick-up service, and its use in postal and military applications.

Aurora Gun Club is a private target shooting organization and social club. It has had six locations since its founding in 1895 by brothers Eugene du Pont (1873-1954) and Alexis I. du Pont (1869-1921), are all centered in the area around Wilmington, Delaware. The records of the Aurora Gun Club are comprised of records collected by the club presidents and treasurers from approximately 1955 through 2006. The records range from membership rosters, club bulletins and shoot results to financial records.

The Bank of Delaware was a statewide financial services company that was organized on June 1, 1795. It received its original charter on February 9, 1796, becoming the first bank in and of the State of Delaware. In 1865 it received a national charter under the National Banking Act and was renamed the National Bank of Delaware at Wilmington. It operated under this name until its 1930 failure and subsequent acquisition by the Security Trust Company. The name "Bank of Delaware" was revived by the successor company in 1958. The Bank of Delaware's holding company was merged into PNC Financial Corp. in 1989. The Bank of Delaware collection consists of minute books, stock certificate books, letter books, journals, and ledgers of the Bank of Delaware and nine of its predecessor, merged, and acquired financial institutions.

Betts & Seal was an iron foundry in Wilmington, Delaware that operated under that name from 1857 to 1867, but was established in 1828. The Betts family of Wilmington, Delaware, produced three generations of innovative founders and machinists. The records of Betts & Seal cover the operation of the foundry from 1828 to 1867. The result is a rare time-capsule look at the workings of a small but innovative foundry during the first phase of American industrialization.

Founded in 1848 by Reverend Samuel Brincklé (1796-1863) and members of the du Pont family, Christ Church Christian Hundred located in Greenville, Delaware is one of the oldest Episcopal churches in the Diocese of Delaware. Their records chronicle the activities of Christ Church over a span of nearly one hundred fifty years and include administrative and vital records.

The Christiana Bank & Trust Company formed in 1992 to conduct a banking and trust business for Greenville, Delaware, and nearby communities in New Castle County, Delaware, and Chester County, Pennsylvania. The records include initial business and organizational plans, including stock offerings; annual reports; shareholder and directors lists; board minutes; quarterly financial reports, and documents covering the merger of the bank with National Penn Bancshares, Inc.

The Collection of Philadelphia merchants records comprises the papers of major and minor merchant houses in Philadelphia throughout the late eighteenth and early nineteenth centuries, and primarily documents trade with major port cities in Western Europe and the West Indies. Included are the papers of merchants Andrew Clow & Co., Dutilh & Wachsmuth, Manuel Eyre, and George Louis de Stockar, along with records of other miscellaneous merchants from the Philadelphia area. The records include correspondence, accounts, bills, orders, invoices and other material that give insight into the rise of capitalism in the Early Republic.

Isaac Elder Blake (1844-1906) founded the Continental Oil and Transportation Company in 1875 in Utah as a distributor of oil, kerosene, and other products. In 1929, the company merged with the Marland Oil Company, continuing to operate using the name Continental Oil Company. This volume contains extracts of minutes and auditor's reports concerning a revision of the company's finances during the Great Depression and an analysis of the company's financial position and prospects.

The Curtis Paper Company was a small producer specializing in high-quality paper located in Newark, Delaware. This small collection of records consists of incorporation papers from 1911 and financial reports dating from 1941 to 1946. There are two agreements and two letters related to the sale of the company from Alfred A. Curtis (1848-1945) to Charles M. Levis (1859-1941) and Herbert W. Mason (1882-1939) in 1926.

The C.W. Parker Amusement Company produced various amusement devices, such as shooting galleries and ferris wheels, but was best known for its carousels named "Carry-Us-Alls." When the company was founded in 1894 by C.W. Parker (1864-1932) in Abilene, Kansas, it was the only carousel manufacturer not on the east coast. This small collection of records documents the professional life of C.W. Parker, the "Amusement King" and his company. The collection comprised of textual material, including financial records, correspondence with other manufacturing vendors, and publications regarding the company's progress.

Donaldson Brown (1885-1965) was an industrialist and business executive with E.I. du Pont de Nemours and the General Motors Corporation. These papers relate to Brown's association with GM, and reflect his concern with financial policy, organization and operation, and employee relations. They are especially concerned with the period of World War II. Files from the 1920s and 1930s describe Brown's effort to relate pricing policies to financial control.

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. The Executive Committee became the principal body for coordinating the work of the various departments of the rapidly growing company, establishing company organizational structure and policy; approving capital expenditures and contracts; and fixing salary levels, bonuses, and other compensation. The files are arranged in six series. The "E" files are primarily service record information on members of the Executive Committee, giving some prior history of the person's career with DuPont. The "D" files are limited to organization charts, dating from 1914 to 1917. The "O" files (Operative Committee), "F" files (Finance Committee), and "X" files (Executive Committee) are primarily related to patents and licensing. Finally, materials copied by David A. Hounshell and John K. Smith for their book, Science and Corporate Strategy, are included.

The firm of E.C. Beetem & Co. was established in 1901, incorporated as E.C. Beetem & Son, Inc. in 1923, and for a time was one of the leading carpet manufacturers in the United States. The company employed women in the finishing and materials departments, in the office, and at home assembling rag rugs; men were employed as weavers. This collection includes administrative records, correspondence with customers, selling agents, and rag dealers which document marketing strategies and pricing. Also included in this collection are some samples and drawings of rug patterns.

The Economic History Association (EHA) is a professional association dedicated to supporting interest in the study of economic history. EHA promotes the teaching, research, and publication of every aspect of economic history. The association was established in 1940 and is comprised of professors, students, scholars, and historians. Economic History Association records are organized into ten series: Administrative records; Preseidents' files; Secretary's files; Financial files; By-laws; Annual meetings; Memembership lists and related items; Publications; Committee on Research in Economic History; and Miscellaneous. There are several unprocessed additions. Some additions have simple inventories, while others do not. Access to these materials is at the discretion of the archivist.

E.I. du Pont de Nemours & Company was organized in Paris in 1801 by Pierre Samuel "P.S." du Pont de Nemours (1739-1817) and his son Eleuthère Irénée "E.I." du Pont (1771-1834) for the manufacture of gunpowder. Included here are records of the firm collected by P.S. du Pont and separated from the main body of company records.

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. The DuPont Building was one of the first high-rises in Wilmington, Delaware; it occupied an entire block bound by 10th, 11th, Orange, and Market streets. Until early 2015 the building housed DuPont's headquarters. The collection documents the history of the DuPont Company, as well as its finances, corporate values, special events, and company communications.

The E. I du Pont de Nemours & Company minute books document an important era in the history of the company from just before the turn of the twentieth century through the 1930s. The DuPont Company in this time went through many changes in structure under the leadership of cousins T. Coleman du Pont, Alfred I. du Pont, and Pierre S. du Pont.

Elva M. Chandler (1900-1990) was an active clubwoman, active in many women's professional, church, and political organizations and president of the local Business and Professional Women's Club. She was best known for her involvement in the Delaware Federation of Business and Professional Women's Clubs (BPWC) and belonged to the Christina branch. Chandler's papers document her role in business and professional women's organizations and the changing role of women in business life from the 1950s to the 1970s.

The Erie City Iron Works was founded by Pennsylvania capitalist Bethuel Boyd Vincent (1803-1876) as the Presque Isle Foundry in 1840. The Works was a major manufacturer of boilers, stationary and portable engines and machinery for sawmills and steam riveting as well as railroad freight and passenger cars. Their records are largely comprised of accounting records.

Eugene du Pont Jr. (1873-1954) was a director of the E.I. du Pont de Nemours & Company from 1917 until 1954, and a great grandson of company founder, Éleuthère Irénée du Pont (1771-1834). The papers of Eugene du Pont Jr. include reports to the DuPont Company Board of Directors by the executive committee and the treasurer of the DuPont Company. In addition, there are several copies of letters to du Pont family members.

Frank G. Tallman (1860-1938) was an executive of E.I. du Pont de Nemours & Co. The collection includes personal and business papers of Tallman such as diaries, letter books, and correspondence files.

Greenville Center, Inc. was incorporated in Delaware on August 3, 1960 for the purpose of developing a shopping center at the northeast corner of the intersection of Buck Road and Kennett Pike in Greenville, Delaware. The records of Greenville Center, Inc. consist of an assortment of records from two sources--those of Greenville Center itself, kept by stockholder Arthur McGeorge, and a smaller portion from Peter H. Greeley of the Greenville Manor Homeowners' Association. They describe the mechanics and difficulties of building and operating a small but upscale suburban shopping center and restaurant.

Guyencourt Nurseries, Inc. was a Delaware landscape nurser set up by three young horticulturists, William E. and Mary N.R. Phelps and G. Guy Nearing, in 1929. This small group of papers traces six years of depression-era activities by a small Delaware land-scape nursery.

Hardy Jefferson Bowen (1913-2003) was an engineer and scientist. He was founder and president of Industrial Models Inc., a company which built scale models as an aid in the construction of oil refineries and chemical plants. This small collection of his papers primarily consist of materials documenting his modelmaking business.

Harpers Ferry Paper Company and Shenandoah Pulp Company were established in the late nineteenth century by Thomas H. Savery (1837-1910) along the Shenandoah and Potomac Rivers. This small collection contains a production graph and chart showing financial positions on a comparative basis for the companies.

Harpers Ferry Paper Company and Shenandoah Pulp Company were established in the late nineteenth century by Thomas H. Savery (1837-1910) along the Shenandoah and Potomac Rivers. The papers contain certificates of incorporation, financial notes, reports and charts on operation costs, statistical data on wood and pulp, inventories of material on hand at the mill, and correspondence with Horace H. Thayer Jr. (1878-1959), Savery's son-in-law.

Harry Lobe Straus (1896-1949) was an early computer engineer and developer of totalisator or "tote board," an electronic system that printed and issued betting tickets at racetracks, automatically computed the bets and odds, and displayed them on a large board. This collection is a small group of papers preserved by his personal secretary, Christine Behm Nunus (1906-1998). It includes financial statements, business letters, estate papers, and items relating to Straus's biography, "Win. Place. Show."

Helen Sellers Garrett (1857-1946) was one of Wilmington's pioneer businesswomen and served as president of the Labor Commission of Delaware. She was the daughter of one of the Edge Moor Iron Company's founders and granddaughter of abolitionist Thomas Garrett (1789-1871). The collection contains a carbon typescript report of the lawsuit of Helen S. Garrett vs. Edge Moor Iron Company, including financial statements.

Henry Bower Chemical Manufacturing Company was a chemical manufacturing company that primarily produced ammonia. The company was formed in 1906 by the merger of three existing companies. The records include account books, production records, sales records, and inventories.

Henry Disston & Sons, Inc. was a major manufacturer of saws and other woodworking tools and one of the largest industrial firms in Philadelphia. The Henry Disston & Sons, Inc. had a number of subsidary companies, these records contain a small number of account books from only three of the firms subsidaries. There are accounts for: the Tacony Fuel Gas Company, the Henry Disston & Sons File Company, Limited, and the Henry Disston & Sons Iron & Steel Works, and an insurance ledger from the Estate of Henry Disston.

Henry S. Leverich (1804-1885), along with his brothers, was a merchant and financier in New York City. The checkbook contains annotated stubs for checks drawn on the Merchants' Bank in the City of New York and several blank checks.

Stewart Huston (1898-1971) began his career as a metallurgist and worked in varying capacities in the family business, Lukens Steel Company, in Coatesville, Pennsylvania, from 1923 until his death. Assembled by Huston, the collection relates to genealogy and family history.

Job T. Pugh, Inc. was a small specialty tool manufacturer of augers and bits located in Philadelphia, Pennsylvania. The firm was incorporated under the laws of Delaware on August 30, 1917, succeeding a partnership of the same name. It was dissolved in 1954. The records of Job T. Pugh, Inc., and its unincorporated predecessors are a series of fragments. The collection documents the financial and legal matters associated with operating a tool manufacturing business in the early twentieth century.

The records consist of materials collected by John B. Lovis (1935-2015) for the writing of his book on the history of the Sparrows Point Plant, plus original Bethlehem Steel documents from his tenure in the Corporate Planning Department.

John Zimmermann & Sons, Inc. was a manufacturer of upholstery fabrics in Philadelphia, Pennsylvania, for more than fifty years. This collection consists primarily of financial records from the company's founding through its sale to Merion Securities, Inc. It contains rich payroll and pension data of potential interest to labor historians. The collection also contains records from Zimmermann Mills, Inc. and J-Z, Inc., a division of Merion Securities. These materials are also primarily financial in nature.

The Joy Manufacturing Company was a major manufacturer of mining and materials handling machinery built upon the invention of the first practical coal loading machine by Joseph F. Joy (1883-1957). It is a somewhat random collection of documents assembled and preserved by the former corporate secretary James Packer (1920-2008) for the purpose of writing a never-completed company history. They include the sorts of documents normally in possession of a corporate secretary, such as copies of meeting minutes, corporate family tree information, historical notes, and promotional publications.

Keystone Mushroom Farms, Inc. was a producer, canner, and distributer of mushrooms in Coatesville, Chester County, Pennsylvania. It was the successor of two previous businesses, L.F. Lambert Spawn Co. and Keystone Mushroom Company, Inc., which were formed in the early 1920s with complementary functions of spawn research; production and sales; and mushroom propagation, canning, and distribution. These records document the L.F. Lambert Spawn Co. and the Keystone Mushroom Company, Inc. The collection includes financial records, correspondence, payroll, reports, and shipment and inventory information. Of special interest are the records documenting Lambert's work with the War Production Board to produce penicillin.

Lanman & Kemp was a multi-generational family firm of wholesale druggists in New York City. Their records document the operations of the wholesale drug business in the years before the development of modern pharmaceuticals. They also show the importance of New York City as a center for the import, export and re-export business and of London bankers in financing international trade and extending credit.

The Lawrence Sperry Aircraft Company records include technical and sales correspondence, engineering drawings, and reports that document the development of the aerial torpedo, automatic pilot, airplane stabilizer, and other aeronautical instruments. Correspondence with the Navy's Air Service Department describes the company's research, development and testing programs. There are also a number of reports on test flights. Patents and financial records document the relationship between the Lawrence Sperry Aircraft Company and the Sperry Gyroscope Company, as well as the agreements of both with the Curtiss Aeroplane & Motor Corporation. The Perry-Curtiss joint venture culminated with the invention of the flying bomb (1917-1918), which placed Sperry controls on a Curtiss-designed plane.

The Lehigh Valley Railroad Company was one of the major anthracite railroads and formed a secondary trunk line between Jersey City, New Jersey and Buffalo, New York. Their records consist of minute books, corporate histories, voluntary reorganization plans, and an illustrated brochure on Claremont Terminal.

The Manheim, Petersburg and Lancaster Turnpike or Plank Road Company constructed a plank road between the named towns in 1851 to 1852, during the plank road craze. The records consist of eight pocket volumes and some loose papers kept by the company treasurer, such as a subscription book, toll gatherers' receipt book, and payment book.

North Pennsylvania Railroad was a railroad company which served the Pennsylvania counties of Philadelphia, Montgomery, Bucks, and Northampton. It was incorporated as the Philadelphia, Easton and Water-Gap Railroad Company on April 6, 1852, and renamed the North Pennsylvania Railroad Company on October 3, 1853. Their records consist of corporate records such as minute books, annual reports, account books and statements.

The Pennsylvania Railroad Company was the largest railroad in the United States in terms of corporate assets and traffic from the last quarter of the nineteenth century until the decline of the northeast's and midwest's dominance of manufacturing. These records provide nearly comprehensive coverage of corporate matters for the entire time span and reasonably complete coverage of the functional departments from 1920 to 1950, with less coverage from 1893 to 1920 and from 1950 to 1968.

The Philadelphia Phillies are an American professional baseball team based in Philadelphia, Pennsylvania, where they compete in the National League. The team was founded in 1883 by Alfred J. Reach (1840-1928), who purchased the Worcester, Massachusetts, professional baseball club and moved it to Philadelphia. The records of the Philadelphia National League Club document the Philadelphia Phillies professional baseball organization, and includes various papers and records from the National League and Major League Baseball in general, primarily dating from the 1950s through the 1970s.

Founded in 1831 as the Elkinton Company and later renamed, Philadelphia Quartz Company became an important innovator during World War I by discovering that silica gels could be used as a base to manufacture catalysts for cracking crude oil molecules to make high-octane gasoline and developing potassium silicate which was adopted for use in cathode ray tubes. The company's records includes business records and the personal papers of the company's founding family.

Pierre Samuel du Pont, IV (1935 -2021), known by many as "Pete," was the sixty-eighth governor of Delaware from 1977 to 1985. In 1987, du Pont started his campaign for president, running as a Republican candidate. After his withdrawal from the presidential race, Pete du Pont resigned from politics and became a partner at Delaware law firm Richards, Layton & Finger. Du Pont was a published writer and member of several academic and political institutions throughout his life and professional career. The collection is predominantly textual material, the bulk of which is du Pont's published writing and professional correspondence as a politician and lawyer. There are photographic prints included that document du Pont's personal life with his family and general du Pont family legacy media coverage. The video portion chronicles du Pont's public appearances, as well as television programs and forums that highlight general conservative talking points, and the work of the National Center for Policy Analysis. The material spans from the mid-twentieth century to the early twenty-first century.

The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. The Parsons Engineering Company was established for the manufacture of smoke-consuming devices and innovations with railroad technology. This collection includes papers from the Pusey & Jones Corporation and Parsons Engineering Company.

The Pusey & Jones Corporation were shipbuilders, founders, and machinists of Wilmington, Delaware, which later expanded into papermaking machinery manufacturing. This collection contains miscellaneous material from the company including financial statements, calling cards, memoranda, and correspondence from Thomas H. Savery (Sr. and Jr.), Eugen Fullner, and A.G. Paine.

The Quaker Lace Company manufactured Nottingham lace and was one of the textile firms founded by John Bromley (1800-1883) and his seven sons. The records represent a fraction of the total Quaker Lace archive which was salvaged from the 4th and Lehigh mill during the liquidation of the company. The collection is arranged into seven series: General administrative files and correspondence; Sale literature; Advertising and promotional materials; Production records; Legal records; Financial records; and Tax records.