The papers of art historian, curator, and professor Robert Rosenblum measure 38.3 linear feet and 1.17 GB and date from circa 1927 to 2009, with the bulk dating from 1950 to 2006. They include biographical material, extensive personal and professional correspondence; lectures, writings, and writing project files by Rosenblum and others; exhibition files; research reference files; teaching files; personal business records; printed and digital material; photographs; and artwork.

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.

The collection documents, through printed materials, photographs, audio and moving image, Don Herbert's career as a science educator under the persona of "Mr. Wizard" from 1951 until the 1990s.

The Evelyn Way Kendall Early Aviation and Balloon Collection documents early aeronautical history from the 18th century to the 1960s in art, prints, photographs, posters, manuscripts, and ephemera.

The Smithsonian Institution Festival of American Folklife, held annually since 1967 on the National Mall in Washington, D.C., was renamed the Smithsonian Folklife Festival in 1998. The materials collected here document the planning, production, and execution of the annual Festival, produced by the Smithsonian Center for Folklife and Cultural Heritage (1999-present) and its predecessor offices (1967-1999). An overview of the entire Festival records group is available here: Smithsonian Folklife Festival records.

The Smithsonian Institution Festival of American Folklife, held annually since 1967 on the National Mall in Washington, D.C., was renamed the Smithsonian Folklife Festival in 1998. The materials collected here document the planning, production, and execution of the annual Festival, produced by the Smithsonian Center for Folklife and Cultural Heritage (1999-present) and its predecessor offices (1967-1999). An overview of the entire Festival records group is available here: Smithsonian Folklife Festival records.

The Smithsonian Institution Festival of American Folklife, held annually since 1967 on the National Mall in Washington, D.C., was renamed the Smithsonian Folklife Festival in 1998. The materials collected here document the planning, production, and execution of the annual Festival, produced by the Smithsonian Center for Folklife and Cultural Heritage (1999-present) and its predecessor offices (1967-1999). An overview of the entire Festival records group is available here: Smithsonian Folklife Festival records.

The papers of sculptor, writer, and earthworks artist Robert Smithson and his wife, sculptor, filmmaker, and earthworks artist Nancy Holt measure 15.1 linear feet and date from 1905 to 1987, with the bulk of the material dating from 1952 to 1987. The papers consist of Smithson's biographical material; business and personal correspondence, much of it with artists; interview transcripts; extensive writings and project files; financial records; printed material; a scrapbook of clippings; holiday cards with original prints and sketches; photographic material; and artifacts. Also found are project files related to Nancy Holt's motion picture film Pine Barrens and her seminal environmental work of art Sun Tunnels, including a video documentary about Sun Tunnels.

The records of Jancar Gallery, located in Los Angeles, California, measure 2.5 linear feet and 23.80 GB and date from circa 1972 to 2015, with the bulk of the papers dating from 2006 to 2014. The collection includes exhibition and artist files; administrative and financial records; printed and digital material; and records of the Jancar/Kuhlenschmidt Gallery.

The papers of abstract painter Eleanore Lockspeiser measure 0.4 linear feet and date from 1918 to 1982. Found are biographical material, family correspondence, photographs, printed material, writings, and artwork including two sketchbooks. Of note are letters from Mary Frank, Lockspeiser's daughter.