These papers primarily contain photographs, journals, maps, manuscripts, postcards, and related materials concerning Heller's collecting activities from 1908 to 1917. There are also some personal photographs and material as well as photographs taken by Heller at the National Zoological Park of personnel and animals.

This accession consists of records documenting the Enola Gay exhibition controversy at the National Air and Space Museum during the tenure of Smithsonian Institution Secretary Ira Michael Heyman. The initial proposed exhibition was titled Crossroads: The End of World War II, the Atomic Bomb and the Origins of the Cold War and later retitl...

The Lewis & Valentine Company Collection contains records of the Lewis & Valentine Company dating from 1916 to 1971 including photographs, negatives, brochures, books, trade catalogs, company papers, letters from clients, customer lists and a history of the company written by Harold Carman Lewis. Photographs document the Rodin Museum in Philadelphia, estates in Long Island, New York, and the properties of Hugh D. Auchincloss, Eugene du Pont, Walter P. Chrysler, Otto H. Kahn, F. W. Woolworth, Pierre S. du Pont (Longwood Gardens), Charles M. Schwab and Edward T. Stotesbury. This collection contains only a sampling of the records of Lewis & Valentine and should not be considered comprehensive.

The collection consists of approximately 28,000 photographic negatives, slides, prints and other materials documenting Bethlehem Steel Corporation's iron ore mining operations. The photographs were taken by Richard "Jay" Angelo, a Bethlehem Steel Corporation photographer. The majority of the photographs depict Bethlehem's mining operations at its Cornwall and Morgantown, Pennsylvania mines. A smaller number of negatives document operations in western Pennsylvania, Kentucky, West Virginia, Michigan and Ontario. The negatives depict aerial views, blasting operations, tunneling, equipment and infrastructure, machinery, employees working, company personnel, and company-built community facilities. The collection documents the complete operations of a major, historic mining operation over four decades.

The papers of photographer and art historian Nina Howell Starr measure 21.2 linear feet and date from circa 1933 to 1996. The papers contain research files about various art historical topics, museums and galleries, photography, and artists. There are extensive files documenting Starr's relationship as researcher, dealer, and friend of folk painter Minnie Evans. Additionally, the papers include biographical materials, writings, speeches, project files, printed material collected or authored by Starr, and hundreds of artistic and documentary photographs and negatives created by Starr depicting her travels, Minnie Evans' paintings, roadside folk art, and other topics.

The papers of muralist Buell Mullen measure 0.4 linear feet and date from 1942 to 1982. Found are scattered biographical material, professional correspondence, information on mixing epoxy resins, printed material, and photographs.

The papers of African American abstract expressionist painter Ed Clark measure 8.9 linear feet and date from 1923 to 2017. The collection documents Clark's work as a professional artist through biographical material; correspondence with family, galleries, and friends, most notably Cinque Gallery, Herbert Gentry, Bill Hutson, and Ted Joans; writings, including documentation for the book Edward Clark: For the Sake of the Search; personal business records, including consignment and sales records; and material related to professional activities, including files on significant exhibitions and projects, gallery files, and teaching records. Also in the collection are exhibition announcements, catalogs, news clippings, and other printed material documenting Clark's work; photographic material depicting Ed Clark, his artwork, and other individuals; and a small amount of original artwork by Clark and others.

The records of the Los Angeles Stendahl Art Galleries measure 7.5 linear feet and date from 1907 to 1971. The collection is comprised of administrative and financial files, correspondence, exhibition files, and subject files on numerous artists, organizations, and other art-related topics. There is one scrapbook of clippings on the artist Edgar Payne.

The papers of African American sculptor, painter, and land artist Beverly Buchanan measure 18.3 linear feet and 1.07 gigabytes, and date from 1912 to 2017 with the bulk of the material dating from the 1970s to the 1990s. The collection contains biographical material; correspondence; writings; and exhibition and project files, including audiovisual documentation from Bernice Steinbaum Gallery/Steinbaum Krauss Gallery. Material related to professional activities; personal business records; printed material; scrapbooks; photographic material, including photograph albums; and artwork are also found in the collection.

The papers of artist Jay DeFeo measure 1.3 linear feet and date from circa 1940s to circa 1970s. The collection documents her career through biographical material, correspondence with friends, personal business records, writings, printed material, artwork, and photographs.