Collection consists of records documenting one of the oldest advertising agencies created in Philadelphia. The company then moves to New York and expanses to international markets. During its history NW Ayer & Sons acquires a number of other advertising agencies and is eventually purchased. The largest portion of the collection is print advertisements but also includes radio and television. NW Ayer is known for some of the slogans created for major American companies.

The records of the Perls Galleries measure 79.6 linear feet and date from 1937 to 1997. Founded by Klaus Perls in 1937 and operating until 1997, the gallery dealt primarily in modern French art and the artwork of Alexander Calder. Found within the records are extensive correspondence (circa 44 linear feet) with artists, dealers, galleries, museums, and collectors; photographs and negatives of inventory and other artwork; exhibition files, scattered financial records; and exhibition catalogs and clippings.

The National Congress of American Indian (NCAI), founded in 1944, is the oldest nation-wide American Indian advocacy organization in the United States. The NCAI records document the organization's work, particularly that of its office in Washington, DC, and the wide variety of issues faced by American Indians in the twentieth century. The collection is located in the Cultural Resource Center of the National Museum of the American Indian.

This collection consists of the archives of Giuseppe M. Bellanca and his company, including the following types of mediums: drawings, stress analysis tests, reports, photographs/negatives, documents, correspondence, patent information, newspaper clippings, business records, and financial statements.

The collection forms a documentary record of over half a century of the history of radio, with the greatest emphasis on the period 1900-1935. The collection includes materials that span the entire history of the growth of the radio industry. It is useful for those historians and other researchers interested in technological development, economic history, and the impact of applications of technology on American life.

The Computer Oral History Collection (1969-1973, 1977), was a cooperative project of the American Federation of Information Processing Societies (AFIPS) and the Smithsonian Institution. This project began in 1967 with the main objective to collect, document, house, and make available for research source material surrounding the development of the computer.

Sam DeVincent loved music and art and began collecting sheet music with lithographs at an early age. Series 4: Songwriters: A "songwriter" for this series is defined as a composer, a lyricist, or both. An overview to the entire DeVincent collection is available here: Sam DeVincent Collection of Illustrated American Sheet Music.

This collection consists of historical files on FI, its predecessors, and subsidiaries. The material consists primarily of historical/public relations material, including photographs and brochures, but also includes significant amounts of business records for FEAC, Kreider-Reisner, Hiller, Republic, Ranger, Stratos, and Swearingen. The collection also documents Fairchild's joint ventures with Fokker, Pilatus, and other aircraft manufacturers. The material also includes an extensive negative collection as well as film and videotape libraries.

The collection documents in photographs, scrapbooks, notebooks, correspondence, stock ledgers, annual reports, and financial records, the evolution of the telegraph, the development of the Western Union Telegraph Company, and the beginning of the communications revolution. The collection materials describe both the history of the company and of the telegraph industry in general, particularly its importance to the development of the technology in the nineteenth and twentieth centuries. The collection is useful for researchers interested in the development of technology, economic history, and the impact of technology on American social and cultural life.

This collection is composed of Krafft Ehricke's files including Ehricke's published and unpublished papers as well as papers and works by others that Ehricke gathered, presumably as reference material.