Ernst R. Habicht (1902-1987) was the general manager of E.I. du Pont de Nemours & Company's ammonia production plant at Belle, West Virginia. His papers include newspaper clippings, correspondence, a long memorandum, and a humorous poem by Habicht relating to the 1947-1948 strike at the Belle plant.

This diary's author is not given; however, many details indicate that the writer is likely Thomas R. Robinson (1889-1972), a thirty-two-year-old farmer mainly working as a coal miner, lumberman, and railroad worker. This item is a manuscript handwritten diary. The entries are dated February 20, 1922, through April 9, 1923; these include the weather, who the author worked beside each day, his duties and responsibilities, and other tasks he took upon himself to fulfill. This item will be of significant interest to labor historians wanting a view of daily life from the worker's point of view.

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.

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 National Industrial Conference Board, later renamed The Conference Board, formed in 1916 as a response by the business community to continued labor unrest and growing public criticism. Their records are an important source for understanding the business community's response to most political and socioeconomic issues. NOTE: The box inventory for this finding aid is not yet online, a full inventory is available onsite in the Reading Room only.

NVF Company was a manufacturer of laminated plastic plates and sheets composed of only cellulose; the material is called vulcanized fibre. Initially named the National Vulcanized Fibre Company, it was formed in 1922 by Israel Way Marshall (1850-1911) and Thomas Elwood Marshall (1855-1929) in Yorklyn, Delaware. NVF Company was one of the three largest fibre companies in the country and eventually dissolved in the early twenty-first century. The NVF Company collection consists of records beginning in the 1870s, before the official creation of the company, and continues until the dissolution of the company. These materials include the history of the Marshall family, the formation of the National Vulcanized Fibre Company, administrative and presidential papers, publications and reports, marketing and publicity materials, subject files, labor contracts, employee grievances, and arbitration cases.

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.

United Mine Workers of America is a labor union that represents coal miners. It was founded in 1890 and continues to be active. This color transparency of the United Mine Workers of America membership certificate that has various images along the boarders that depict coal miners' handshakes and rites of passage.

William Douglass (1849-1925) worked his entire professional life in the steel industry. He was an educated steel worker and spent many years as foreman or superintendent at various jobs site, the majority being in Birmingham, Alabama. The papers are a collection of items partly documenting Douglass' career as a foreman in the steel industry in the Pittsburgh and Birmingham Districts from 1889-1915.