The collection consists of correspondence, invoices, drawings, photographs, and negatives and other printed literature documenting the Baltimore and Ohio Railroad from its inception in 1827 to its merger with the Chesapeake and Ohio Railroad in the 1960s.

The collection documents Gabler's involvement in the recording industry and the evolution of Commodore Records. The documentation begins with the Commodore Radio Shop through its evolution to Commodore Music Shop. The collection also includes the beginnings of the Commodore record label and information detailing Gabler's 30 years as staff producer and later Vice-President in Charge of Artists and Repertoire at Decca Records (1941-1974). There is a small collection of black and white photographs chronicling the early years at the Commodore Music Shop, as well as jam sessions, often held at Jimmy Ryan's on 52nd Street. The collection also includes a vast array of audio recordings (mainly audiodiscs).

The Hunsaker Papers are rich in aeronautical information relating to the 1920s and 1930s. The material furnishes a generous account of his contributions in the aeronautics field as an engineer. Interested researchers should pursue materials pertaining to Hunsaker in such repositories as MIT's Institute Archives and Special Collections Department, the Goodyear Tire & Rubber Corporation, the U.S. Navy History and Archives at the Washington Navy Yard, and the NASA History Office, Headquarters Building, Washington, DC. This archivist views the Hunsaker Papers, NASM.XXXX.0001, most relevant to research dealing with Hunsaker's professional career.

The collection consists of 109 cubic feet of material, primarily photographs with some additional documentation, covering aerospace topics. The bulk of the material relates to US space exploration, including extensive photo files on US manned missions through the Space Shuttle, and satellite and sounding rocket work. The first series consists of unmanned spacecraft material, the second series consists of manned spacecraft material, and the third series consists of aircraft material.

The Technical Reference Files comprise an artificial collection that currently contains 1,900 cubic feet of aviation and space related materials, organized in 22 subject series. File materials include photographs, press releases, clippings, correspondence, reports, and brochures, on individuals, organizations, events, and objects.

The personal and business papers of longtime, gay civil rights activist, editor, and publisher of the Philadelphia Gay News (PGN), Mark Segal.

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Masons 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

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Engineering 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 Millard Sheets papers comprise 27.6 linear feet of material dating from circa 1907 to 2000 with bulk dates spanning 1956 to 1981. The collection documents Sheets's career as a designer, painter, and muralist, and his personal and professional interests through correspondence, writings, lectures, printed material, drawings, slides, photographs, and ephemera. A small addition donated 2018 by Carolyn Owen-Toole, Sheet's daughter. There is a 4.6 linear foot unprocessed addition to this collection donated 2018 that includes writings; sketchbooks and sketches; photographs and negatives of works of art, images of Millard Sheets and others; printed material, including two scrapbooks; and scattered correspondence regarding Sheet's projects.

The collection documents Granatelli's lifelong involvement with automobiles, from his youth through his career as an auto industry executive, and as a racing car owner, designer and promoter. The collection consists primarily of files, photographs, scrapbooks, and drawings. Some of the earliest files relate to Grancor, a company founded by Granatel...