A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Post Cards 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 collection includes approximately 250,000 photonegatives, photoprints, color transparencies from the photographic business founded by Addison Scurlock in Washington, DC. Collection also includes business records and ephemera.

James Vernon Martin (1885-1956) was an aviator and inventor during the early days of aviation. This collection consists of material documenting the life of James Vernon Martin. The material includes letters, photos, and documents relating to his Merchant Marine career and his aircraft and aeronautical inventions. Also included are documents pertaining to his conspiracy charges against the government and aircraft industry, as well as his attempts to revive Augustus M. Herring's patents. There are also documents regarding Lily Irvine, his wife, and her career as a pilot.

The engineering firm that became Lockwood Greene was founded by David Whitman, a mill engineer, in 1832. Amos D. Lockwood, a consultant, succeeded Whitman and entered a partnership with Stephen Greene in 1882. The firm specialized in industrial engineering and construction; they designed and built a wide variety of structures and work environments worldwide over the next century. Lockwood Greene was acquired by CH2M HILL in December, 2003. Before its acquisition by CH2MHILL it was reportedly the oldest industrial engineering, construction, and professional services firm in the United States.

Collection documents the professional career and business interests of inventor Serge A. Scherbatskoy, who specialized in petroleum geophysics. Papers include laboratory notebooks, license agreements, correspondence, blue line prints, patent litigation files, newspaper clippings, reference files, patents, promotional literature, and audio-visual materials.

The papers of painter, printmaker, and educator Will Barnet date from 1897 and 1929-2016. The collection measures 30.7 linear feet and 7.24 gigabytes. Found within the papers are biographical material, including numerous recorded interviews of Barnet; personal and professional correspondence; writings and lectures; financial records; printed material; artwork; and photographs of Barnet, his family and friends, and his work. An addition received in 2016 includes biographical material, correspondence, writings, diaries and daybooks, gallery and exhibition files, project and professional files, printed material, and photographic material.

The papers of architectural historian, author, critic, teacher, and museum director, Henry-Russell Hitchcock, date from 1919-1987 and measure 24.8 linear feet. Almost all of the collection is comprised of Hitchcock's correspondence files relating to academic research, teaching, curatorial interests, and professional associations. Letters are from prominent architectural historians, architects, artists, preservationists, museum directors and curators, and family and friends. Also found are two feet of writings by Hitchcock and others, scattered biographical information, printed material, and photographs of Hitchcock and architecture.

Contains Gordon Hendricks's collection of clippings, correspondence, and research notes, and other professional papers related to his books and articles on motion picture history. Includes files on Edison, William Kennedy Laurie Dickson, and other pioneers in motion picture inventions.

These papers relate to Kopp's work in visible speech technology, especially a project to develop a machine that would enable the deaf to understand the spoken voice; including biographical materials, research notes, lecture notes, spectrograms, research reports, log books, correspondence, slides and photographs, books, and documentation of grants f...

The Museum of Craft and Folk Art records measure 28.9 linear feet and 12.48 GB and date from 1970 to 2012. The museum was established in 1982 in San Francisco, California and exhibited local and national craft and folk art collections until it closed in 2012. The collection includes administration records, extensive exhibition files, artists' files, museum publications, printed material, video recordings, born digital items, and photographic material.