Photograph prints, negatives and color transparencies documenting early modern American artists and the contemporary artist Richard Lindner.

The papers of Una Hanbury measure 5.3 linear feet and date from 1910 to 1994, with the bulk of the material from 1966 to 1990. The collection documents the sculptor's career and the dispersal of her estate through business records, project files, subject files, printed material, and photographs. There is also a small amount of material relating to her personal life including correspondence with friends and family and photographs from various stages of her life.

The papers of American art collector Keith Warner measure 0.7 linear feet and date from 1935 to 1975. Correspondence, collecting files, and artwork detail Warner's role as a collector of art in the mid-twentieth century. Present in the collection are materials related to Alexander Calder, Roland Dorcely, Stanton MacDonald-Wright, Piet Mondrian, Alfred Stieglitz, and Max Weber.

The papers of New York-based curator and art consultant Richard D. Marshall measure 15.8 linear feet and date from 1969-2014. The interviews, exhibitions and research files, client files, other professional files, printed material, photographic material of artwork, and electronic records primarily reflect Marshall's work outside his role at the Whitney Museum. The exhibition and research files make up the bulk of the collection and document his independent curatorial and writing projects on artists Jean-Michel Basquiat, Alexander Calder, Robert Mapplethorpe, Jack Pierson, and Ed Ruscha, as well as his role in building the Lever House Art Collection. Sound and video recordings are also found in the collection, primarily with interviews and exhibition and research material.

The papers of New York and Connecticut painter Peter Blume date from 1870 to 2001 and measure 7.6 linear feet. Found are biographical materials; correspondence with family, friends, colleagues, galleries and institutions, and writers; writings on art by Blume and others; subject files regarding organizations, works of art, exhibitions, and reference files; personal business records; printed material; two scrapbooks; photographs of Blume, family, friends, and works of art; extensive artwork; and material relating to Blume's wife's family, the Cratons.

This collection, which measures 7.9 linear feet and dates from 1851 to 1995 (bulk 1913-1995), documents the life and career of muralist, sculptor, and educator Reuben Kadish. The papers contain biographical material, letters, personal business records, an exhibition file, notes, writings, artwork, printed material, photographs, and artifacts.

The papers of photographer and teacher Imogen Cunningham, date from 1903 to 1991. The collection measures 5.9 feet of material, including correspondence, business and financial records, writings, printed matter, and photographs, and provides a good overview of Cunningham's life and career.

The papers of art historian and writer Peter Howard Selz measure 31.5 linear feet and date from 1929 to 2018, with the bulk of the materials from 1950 to 2005. The papers document Selz's long career via correspondence, writings, professional files, project files, membership and association records, artists' research files, exhibition files, personal business records, printed materials, and nine scrapbooks.

This small collection of the papers of sculptor Marion Walton measures 0.8 linear feet and dates from 1915-1976. Fifteen folders of letters written to Marion and her mother Blanche Wetherill Walton include many from artists and photographers, writers, musicians and composers, and political figures. Also found are printed materials, photographs, and a file concerning a reception for author Jonathan Daniels.

The papers of contemporary and folk art curator, historian, and consultant Dorothy C. Miller measure 34.6 linear feet and date from 1853-2013, with the bulk of the material dating from 1920 to 1996. The papers primarily concern Miller's private art consulting work outside of her curatorial work at the Museum of Modern Art in New York City. Found are scattered biographical materials, extensive correspondence and subject files, and project files for her art consulting work for the Rockefeller family, Rockefeller University, Chase Manhattan Bank, the Port Authority of New York and New Jersey, the World Trade Center, and other miscellaneous corporate and private clients. Miller's work as a trustee and committee member of various public and private boards and commissions is also represented here. Additionally, the papers contain Miller's research files on Edward Hicks and folk art, and a small number of files of her husband Holger Cahill about his work as Director of the Federal Art Project. There is a scattered documentation of Miller's early curatorial work with Holger Cahill on the First Municipal Art Exhibition (1934) held at the RCA Building in Rockefeller Center. Also found is Dorothy Miller's collection of artists' Christmas cards and photographs of Miller and others. An addition to the papers includes biographical material; family papers; correspondence; professional files; art collection and client files; printed material; and photographic material. While a small number professional files are included, the majority of the addition relates to her personal life, including correspondence with her husband Holger Cahill, and files pertaining to her personal art collection.