Chartered in 1869, the Wilmington & Western Rail Road Company formed to create a rail line connecting Wilmington, Delaware, with Landenberg, Pennsylvania. A non-profit organization, Historic Red Clay Valley, Inc. (HRCV)., formed in 1960 and today operates the line as a heritage railroad. The collection includes eight maps of the line created by the Interstate Commerce Commission in 1918 and two publications concerning the history of both the Wilmington & Western Railroad line and HRCV.

Robert B. Watson (1931-) was a mechanical engineer who worked on the development of high-speed trains between 1966 and 1998. This collection consists of photographs related to railroads in Pennsylvania and New York, dating from the late nineteenth century through the mid-twentieth century.

The collection consists of official documents produced or used by Ronald DeGraw during his career as a public transit official and transit consultant, materials from pre-SEPTA operators of the Philadelphia transit system that he preserved from loss or destruction, research materials that he amassed for writing his published and projected books, and photographs and ephemera collected out of his interest in the history of transit systems, particularly electric traction lines or what came to be called light rail transit.

The Special Court was created under the Regional Rail Reorganization Act of 1973 (signed January 2, 1974) for the purpose of adjudicating conflicting claims arising out of the act-mandated transfer of viable properties of six bankrupt railroad systems to a new government-funded entity to be called the Consolidated Rail Corporation (Conrail). The Special Court Reporter constitutes a step-by-step account of its proceedings and the playing out of the final stages of railroad reorganization in the Northeast, but it is heavily weighted towards procedural matters concerning what constitutes a fair valuation. It does not contain actual testimony or exhibits.

There are many photographs related to the products made at Steelton, Pennsylvania, where the frog and switch division and a rail mill plant were located. There are also plant views. An inspection report of track material furnished by the Pennsylvania Steel Company for Lake Shore & Michigan Southern Railway is included in this part of the collection. Also of interest are views of the Pennsylvania Steel Co. exhibits at trade conventions in Chicago and Atlantic City, New Jersey Some other miscellaneous views are also found with the Steelton material: the Queensborough Bridge in Manhattan; Broad Street Station, Philadelphia; train station in Pittsburgh; Union Station, Washington.

Cambria Iron Works which was established in 1852 officially became the Cambria Steel Company in 1898. That company was acquired by Midvale Steel and Ordnance Company in 1916. Midvale was absorbed by Bethlehem Steel Corporation in 1923.

Approximately 968 glass plates and forty-six lantern slides. There are glass plate negatives with patterns for frogs, rails, and switches. There are no corresponding prints. Some plates contain unidentified images and images of unidentified products. Lantern slides of unidentified products.

The event known as Great Train Wreck of 1856, occurred on July 17, when two trains were traveling on the same track towards one another and collided at Camp Hill, just below Fort Washington, Pennsylvania. This item is a hand colored print of the railroad accident aftermath.

"The Lou Gordon Program" is a 90-minute radio show that interviews and discusses topics of public interest. This collection includes a letter to David C. Bevin from Lee C. Hanson and two audio reels of "The Lou Gordon Program."

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 in manufacturing. This unpublished report is a survey containing an analysis of seven large tracts near the company's lines in western New York State that were available for factory sites, including labor availability, population, climate, energy, and water supply.

Thomas H. Savery (1837-1910) was president of Pusey, Jones and Company, a ship builder and manufacturer of papermaking machinery in the late nineteenth and early twentieth centuries. Thomas H. Savery, Jr. (1871-1930), the second son of Savery, followed in his father's footsteps in the pulp and paper industry. The records consist of two private journals from the youth of Thomas H. Savery and his son, Thomas H. Savery, Jr.

Thomas Lansford Foster (1894-1956) was manager of export sales for Baldwin Locomotive Works in Eddystone, Pennsylvania. Baldwin Locomotive Works was a manufacturer of railroad locomotives from 1825 until 1972. This small colleciton consistate of five photographs showing Thomas L. Foster with other Baldwin staff and customers visiting the headquarters.

Transportation Displays Inc. (TDI) was an advertising sales agency targeting the commuter market. Founded in New York in 1938, the company installed and maintained placard advertising, posters, signs, and other displays aimed primarily at daily commuters, in railroad stations, passenger cars, menus, and timetables. The collection consists of photographs showing a wide variety of advertising placed and maintained by Transportation Displays, Inc. in train stations throughout the Northeastern United States. Also included are sketch plans of many of the stations, showing locations of poster frames and advertisements.

Vulcan Iron Works was a producer of mine and industrial locomotives, mine hoists, and other colliery machinery. Vulcan's locomotives were designed for mine, logging, plantation and factory work, including steam, electric and battery models for underground haulage. A large number were sold to strip mine and earth moving contractors. The majority of the collection consists of original negatives (glass plate and film) dating from about the 1880s to 1943. These are builder's photographs, recording the construction of locomotives and machinery, although there are some photographs of the plants themselves (interiors and exteriors), employees at work, the town of Wilkes-Barre, and equipment installed and in service, particularly at collieries in the anthracite fields. About half the pictures are of locomotives and the rest are of mining equipment. There are also 1,340 negatives of drawings and plans, chiefly of mining equipment hoists. The collection also contains about 2,400 copy photographs made to preserve the images on original nitrate negatives which had extensively deteriorated. The collection is organized into five series: Railroad; Mining and manufacturing equipment; Factory, mill, and shop views; Drawings; and People.

Vulcan Iron Works produced mine and industrial locomotives, mine hoists, and other colliery machinery. Vulcan's locomotives were designed for mine, logging, plantation, and factory work, including steam, electric, and battery models for underground haulage. A large number were sold to strip mine and earthmoving contractors. This small salesman sample album of industrial locomotives contains fifty factory photographs of 4-ton and 20-ton internal combustion engine locomotives for mining companies, brick and concrete manufacturers, logging companies, and others. The images are of locomotives (mostly side views), either built or serviced by Vulcan Iron Works between 1923 and 1928.

Ward and Gow, a New York advertising agency, is credited as one of the first firms to "systematize" advertising in the New York subway and elevated marketplace. These fifteen photographs document advertising on New York City elevated train platforms and on subway cars. Each photo's location is given in the lower right side of the image.

Waugh Equipment Company manufactured equipment for the production of railway cars. One of their main products was draft gears. The Waugh-Gould Laboratory tested equipment for strains, vibrations, and noises. This collection contains identified prints showing the complete production processes used to fabricate draft gears used in freight cars and locomotives.

West Chester Street Railway Co. offered trolley service to Chester County, Pennsylvania, residents from 1890 to 1929. This collection consists of two account books and one stock record book. These volumes would be useful for researchers interested in the operating expenses of early twentieth-century light rail companies and railroad accounting practices.

William du Pont (1855-1928) was an industrialist and member of the promienent du Pont family of Delaware, whose family business was the E.I. du Pont de Nemours & Company, also known as the DuPont Company which was a large manufacturer of gunpowder. He worked for the first DuPont dynamite manufacturer, Repauno Chemical Company, as secretary and treasurer (1880-1884) and after the tragic death of Lammot du Pont (1831-1884), as president (1884-1892). This small group of papers encompass both correspondence and various financial and investment accounts, largely covering his ten years spent in England after leaving the United States in 1893.

William E. Morris (1812-1875) was a civil engineer and railroad executive. The notebook contains fourteen separate specifications for canal and railroad work copied in longhand and a fifteenth in the form of an inserted printed handbill. They offer a good snapshot of early civil engineering practice and construction techniques. Evidence points to Morris as the notebook's author.

William H. Rau (1855-1920) was prominent Philadelphia photographer. During the 1870s and 1880s, William H. Rau would become best known for his work photographing scenic views from around the world. In 1895, Rau received a commission from the Lehigh Valley Railroad. Once again traveling in a customized passenger car, Rau traveled on the Lehigh Valley Railroad’s lines from New York City to the Lehigh Valley in Pennsylvania and upstate New York, documenting hundreds of landscapes along the way. Over two hundred images from this appointment would later be placed in Lehigh Valley Railroad terminals and public sites along the railroad’s reach.

William Hasell Wilson (1811-1902) was a consulting engineer to the Pennsylvania Railroad Company. Wilson's notebook covers his early engineering career on the Philadelphia & Columbia and Philadelphia & Reading railroads. The notebook contains ink and wash drawings by Wilson, along with specifications and cost estimates for the construction of various types of track structure, bridges, turntables, stations and other buildings.

William Hasell Wilson (1811-1902) was a consulting engineer to the Pennsylvania Railroad Company. Wilson's notebook covers his early engineering career on the Philadelphia & Columbia and Philadelphia & Reading railroads. The notebook contains ink and wash drawings by Wilson, along with specifications and cost estimates for the construction of various types of track structure, bridges, turntables, stations and other buildings.

William Hollis (1868-1908) was a telegrapher working a block station of the Pennsylvania Railroad at Marietta, Pennsylvania. The pocket diary primarily documents his record of work in 1891, including assignments, discipline for mistakes, travel to headquarters, and records of many accidents - but also includes occasional references to entertainment he attended.

William Liseter Austin (1852-1932) was an executive of the Baldwin Locomotive Works in Philadelphia. Baldwin Locomotive Works was a manufacturer of railroad locomotives from 1825 until 1972. This small collection consists of six pocket notebooks carried by Austin on separate business trips between 1879 and 1892. The trips were undertaken to confer with representatives of Baldwin's customer railroads concerning proposed designs or faulty performance of Baldwin locomotives.

William Liseter Austin (1852-1932) was an executive of the Baldwin Locomotive Works in Philadelphia. Baldwin Locomotive Works was a manufacturer of railroad locomotives from 1825 until 1972. The papers include correspondence, most of which is technical in nature; there is also a vertical file on the construction, sale, and parts of locomotives; specifications; sketches and sketchbooks; and engineering drawings. A very small portion of the collection covers Austin's personal affairs.

William McKinley Keller (1901-1974) was a railroad engineer and executive who worked for the Pennsylvania Railroad and the Association of American Railroads. The collection of papers relate to his engineering career working for the two companies as well as a consultant to the railroad industry and some personal correspondence throughout his career.

Wilmington is the largest city in Delaware located on the Christiana and Brandywine Rivers. This collection consists of three reproduction photographs of diverse subjects: an A5A steam locomotive #1167 of Reading Railroad crossing the road at Greenville, Delaware; a unoccupied trolley car in Wilmington, Delaware, originally built by the Peoples Railway Company in 1904; a postcard illustration of the Delaware Trust Building, Wilmington, Delaware.

The Wurts family were involved in the anthracite coal industry. In 1823 four brothers: Maurice Wurts (1783-1854), William Wurts (1788-1858), Charles Stewart Wurts (1790–1859), and John Wurts (1792-1861) founded the Delaware and Hudson Canal Company originally to mine anthracite coal and transport the resource to New York. The company built the Delaware and Hudson Canal and later became the Delaware and Hudson Railway. The Wurts family papers were collected by John Sparhawk Wurts (1876-1958) and reflect both family papers and business records.