A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Tobacco Trade and Industry forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana

The papers document independent inventor Solomon Adler's work with sewing machine technology through correspondence, photographs, notes, drawings, sketches, patents, litigation records, and printed materials. The collection provides insight into both an independent inventor's process of invention and Japanese work culture during the post-World War II period.

Records document the Gerber Scientific Instrument Company, Hartford, Connecticut, and its four subsidiaries: Gerber Garment Technology, Inc., Gerber Scientific Products, Inc., Gerber Systems Corp., and Gerber Optical, Inc. Gerber Scientific designs, develops, manufactures, markets and services computer aided design and computer aided CAD/CAM systems. The records include correspondence, memoranda, product literature, trade literature, patent records, instruction manuals, proposals, engineering records, photographs, technical reports, drawings, press releases, and newspaper clippings.

Ethel Cutler Freeman was an amateur Seminole specialist and research associate with the American Museum of Natural History. Her papers also reflect field work among the Arapaho, Shoshoni, Navaho, Pueblo, Hopi, Kickapoo, and people of the Virgin Islands, the Bahama Islands, and Haiti, and the music and chants of Africa, including those of the Maasai, Zulu, and Pygmies. A small amount of material relates to the Hoover Commission on Indian Affairs, of which Freeman was a member. Correspondents include several Seminole Indians and government officials, personal acquaintances, organizations, and associates of the American Museum of Natural History.

Collection documents the 1939 New York World's Fair in Flushing Meadows, New York. Also includes material relating to other fairs, the Exhibition Collectors Historical Organization (ECHO), New York City tourism and The Walt Disney Company.

Records of a family-owned manufacturing firm, best known for kitchenware products including the Bundt Pan and Micro-Go-Round. The collection richly documents the entrepreneurial spirit of the Minnesota firm and its history of product innovation through technical files, marketing materials, and administrative and financial records.

Records document Charles Eisler, a Hungarian immigrant who was a skilled mechanic and engineer and his company, Eisler Engineering Company of Newark, New Jersey, which manufactured equipment for producing electric lamps, television and radio tubes, welding equipment and laboratory equipment.

The records document the development and use of Reddy Kilowatt, a cartoon figure trademark created in 1926 by Ashton B. Collins, Sr. More than 150 investor-owned electric utilities in the United States and at least twelve foreign countries licensed the use of the Reddy Kilowatt trademark. The records include a wide range of textual and visual materials and sound and moving image recordings.

The Federal Art Project, Photographic Division collection dates from circa 1920-1965, with the bulk of the records spanning the active years of the Federal Art Project (FAP), 1935-1942. The collection comprises 12.4 linear feet of mostly photographic prints and negatives that document primarily artwork produced by artists employed by the FAP. A smaller number of photographs also document other programs of the FAP, such as art classes and community centers, exhibitions by children and adults, artwork installed in public buildings, project divisions, and demonstrations of art processes by FAP artists.

The Ralph Fabri papers measure 26.0 linear feet and are dated circa 1870s-1975, with the bulk of the material dated 1918-1975. Biographical information, correspondence, subject files, writings, art work, financial records, miscellaneous records, scrapbooks, printed material, a videotape of Fabri in his studio, and photographs document the professional career and personal life of the painter, printmaker, commercial artist, writer, and teacher.