Organized in Philadelphia in 1869 as a general labor organization to protect and promote American laborers, the Knights of Labor began a strike against the Philadelphia and Reading Railroad Company in December 1887 after members were fired for refusing to switch cars to a non-union grain elevator in Philadelphia. The handbill, "An appeal to the wage-workers and businessmen of New York," appeals for donations to aid the striking Coal and Iron Company miners and appeals to the public to attend a sympathy and fundraising meeting on February 12, 1888.

The Link-Belt Company was founded by William Dana Ewart (1851-1908), who had invented the detachable link-belt in 1874. The flexible metal belt provided a superior system of power transmission and was first used widely in farm machinery. This item is a booklet of cyanotype photographs of locomotive coaling stations designed, erected, and equipped by the Link-Belt Engineering Company.

The Phoenix Steel Company began in the late eighteenth century as a manufacturer of cut nails. It later became a major producer of railroad rails and iron and steel structural members. Their records include minutes (1856-1929); stock ledgers; brief of title papers and property maps; legal and financial correspondence and tax papers; account books; and a works diary.

The Reading Company, chartered in 1871 as the Excelsior Enterprise Company, became the holding company for the system of railroads, canals, and coal mines assembled by its predecessor, Philadelphia & Reading Railroad Company, between 1833 and 1896. The records are a fragmentary group from the Philadelphia & Reading Railroad Company; its successor, the Philadelphia & Reading Railway Company; and its subsidiary, the Philadelphia & Reading Coal & Iron Company. They are primarily registers of employees and wage rates for employees in the Reading, Pennsylvania, repair shops of all three companies.

The Reading Company, chartered in 1871 as the Excelsior Enterprise Company, became the holding company for the system of railroads, canals and coal mines assembled by the predecessor Philadelphia & Reading Railroad Company between 1833 and 1896. The Reading Company employment and real estate records comprise a largely incomplete and extremely fragmentary synthetic collection of material related to the Philadelphia & Reading Railroad Company and its successors. The collection comprises incomplete employment records largely dating from the first half of the twentieth century, records related to the employee pension program and the Relief Association, a small amount of contracts, and deeds and agreements reflecting the company's process of land acquisition following initial main line construction in the 1830s and through to the early twentieth century.

Chartered in 1871, Reading Company was the holding company for the system of railroads, canals and coal mines assembled by the predecessor Philadelphia & Reading Railroad Company between 1833 and 1896. The collection consists of the corporate records of the Reading Company (1871-1976), the Philadelphia & Reading Railroad Company (1833-1896), the Philadelphia & Reading Railway Company (1896-1923), and 159 predecessors and subsidiaries.

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.