Interview of Leo Castelli conducted 1969 May 14-1973 June 8, by Paul Cummings, for the Archives of American Art.

Two interviews of Sam Green conducted by Jane Tippett and an unknown male, possibly Hugo Vickers.

The papers of art collector Emily Hall Tremaine measure 8.9 linear feet, date from circa 1890 to 2004, and document the development of Tremaine's seminal collection of modernist, pop, and contemporary art. The papers comprise biographical material including a sound recording, personal correspondence, art collection files, artist files, exhibition loan files including a video recording, and reproduction request files. Also found are two scrapbooks documenting Tremaine's first marriage to Baron Maximilian von Romberg; and photographs of Tremaine, her family and friends, and works of art from her collection.

An interview of John Weber conducted 2006 March 21 and April 4, by James McElhinney, for the Archives of American Art, at Weber's home, in Chatham, New York.

The collection documents the technology of lighting and various business aspects of the General Electric Lighting Division throughout the 20th century and consists of correspondence, bulletins, price lists, business record books, stock certificates, sales and advertising materials, scrapbooks, photographs, and lantern slides.

The Leo Castelli Gallery records measure 215.9 linear feet and 0.001 GB and date from circa 1880-2000, with the bulk of the materials dating from the gallery's founding in 1957 through Leo Castelli's death in 1999. The major influence of dealer Leo Castelli and his gallery on the development of mid-to-late twentieth century modern art in America is well-documented through business and scattered personal correspondence, administrative files, exhibition files, extensive artists' files and printed materials, posters, awards and recognitions, photographs, and sound and video recordings. Also included are records for the subsidiary firms of Castelli Graphics and Castelli/Sonnabend Tapes and Films.

The papers of painter and illustrator W. Langdon Kihn measure approximately 8.5 linear feet and date from 1904-1990, with the bulk of the materials dating from 1904-1957. Papers document Kihn's career and travels associated with his interests in documenting the native American tribal nations of the United States and Canada in portraiture and writings. Found here are biographical materials, voluminous correspondence, memoirs and writings, one travel diary, printed material, financial records, three sketchbooks, sketches, and photographs.

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 art collectors, art patrons, and philanthropists Lawrence and Barbara Fleischman measure 4.9 linear feet and date from 1837 to 1984, with the bulk of the materials dating from 1935-1979. The papers are comprised mostly of correspondence with artists, museums, and arts organizations. Also found are scattered biographical materials, artists' autograph letters purchased by the Fleischmans, exhibition files, notes and writings, printed material, and photographs.

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.