The papers of art historian, art critic, author, librarian and educator Ellen Hulda Johnson measure 60.3 linear feet and date from 1872-2018, with the bulk of the material dating from 1921-1992. The papers include biographical materials; personal and family files; personal, professional, and business correspondence; extensive research and writing files; teaching files; subject files; professional and curatorial files; and artists' files. Johnson's papers reflect the full range of her career, interests, and close relationships with many artists.

Hans Groenhoff (1906-1985) was a celebrated American aviation photographer from the 1930s through the 1960s, also working as a pilot, journalist, editor, correspondent, and—in his retirement years—as an aviation tourism publicist for the Bahamas. This collection of 25,550 images consists of Groenhoff's collection of negatives and transparencies, spanning his career from 1933 to 1975.

Collection primarily documents American folk art collected by Frederick Fried (1908-1994) and his wife Mary McKensie Hill Fried (1914-1988). It includes photographic materials, newspaper clippings, magazine articles, research files, lecture notes, unpublished manuscripts, brochures, drawings, printed advertisements, blueprints, books, patents, cor...

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 finding aid was digitized with funds generously provided by the Smithsonian Institution Women's Committee.

The papers of sculptor Olin Levi Warner measure 1.9 linear feet and date from 1857 to 1962 with the bulk of the materials dating from 1857 to 1899. The collection documents Warner's art student days in Paris and his career as a sculptor, primarily in New York City. Found are scattered biographical materials and writings, including a speech by Warner about the Paris Commune of 1871; personal and professional correspondence; clippings, catalogs, and other printed material; sculpture project files; and photographs of Warner, his studio, his family, and notable figures who sat for him, including artist J. Alden Weir, and his artwork.

This record unit documents the administration and programs of the SOSC during its entire thirty year history. Included is correspondence, memoranda, proposals, and reports documenting SOSC contracts with agencies of the Federal Government, especially the United States Arctic Research Program of the National Science Foundation and the Nati...

This accession consists of records documenting outside funding for Smithsonian Astrophysical Observatory (SAO) research, projects, and activities. Materials include proposals, quotations, and bids from contractors, equipment makers, and other vendors to provide services, equipment, and instruments for SAO.

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.

This accession consists of files from Robert Wagner, Chief Administrative Officer of the American Zoo and Aquarium Association (AZA). These records contain memoranda and correspondence from various zoos, parks, aquariums, animal farms, and breeding grounds within the United States. Materials also include a variety of information on various ...