The papers of New York art historian Francis O'Connor measure 23.4 linear feet and 0.001 GB and date from 1920-2009. Found within the papers are artist and exhibition files, questionnaires, transcripts, writings, project files, and printed and digital material that pertain to O'Connor's research and publications on the New Deal and the Federal Arts Project of the Works Progress Administration.

The Macbeth Gallery records provide almost complete coverage of the gallery's operations from its inception in 1892 to its closing in 1953. Through extensive correspondence files, financial and inventory records, printed material, scrapbooks, reference and research material, and photographs of artists and works of art, the records document all aspects of the gallery's activities, charting William Macbeth's initial intention to lease his store "for the permanent exhibition and sale of American pictures" through over sixty years of success as a major New York firm devoted to American art. The collection measures 131.6 linear feet and dates from 1838 to 1968 with the bulk of the material dating from 1892 to 1953.

The papers of art historian, art critic, author, librarian and educator Ellen Hulda Johnson measure 61.5 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. There is a 0.2 linear foot unprocessed addition to this collection donated in 2021 that includes letters to Ellen Johnson from others, letters from Johnson to Carl Gerber, and a sketch by Johnson. Materials date from circa 1956-1991.

The papers of painter, teacher, and writer Hans Hofmann measure 29.92 linear feet and 5.00 GB and date from circa 1904 to 2011, with the bulk of the materials dating from 1945 to 2000. The majority of the papers were created after 1932 and document Hofmann's life and professional career after settling in the United States. Among his papers are personal and professional correspondence; records of his schools in Munich, New York City, and Provincetown, Mass.; writings and notes; financial records; photographs; printed matter; estate records; and a small number of personal papers of his second wife, Renate Schmitz Hofmann. Hofmann's personal papers are augmented by a large selection of printed matter, including exhibition catalogs, articles, news clippings, and monographs about Hofmann and modern art, as well as documentary projects including Tina Dickey's compilation of oral histories and records of Hofmann's students, and research materials, sound and video recordings, digital material, and motion picture film created and gathered by Madeline Amgott during the production of two video documentaries about Hans Hofmann released in 1999 and 2002. Hofmann's Library was acquired with his papers; inscribed/annotated volumes have been retained with the collection.

The Joseph Cornell Study Center collection measures 196.8 linear feet and dates from 1750 to 1980, with the bulk of the material dating from 1930 to 1972. Documenting the artistic career and personal life of assemblage artist Joseph Cornell (1903-1972), the collection is primarily made up of two- and three-dimensional source material, the contents of the artists' studio, his record album collection, and his book collection and personal library. The collection also includes diaries and notes, financial and estate papers, exhibition materials, collected artifacts and ephemera, photographs, correspondence, and the papers of Robert Cornell (1910-1965) and Helen Storms Cornell (1882-1966), the artist's brother and mother.

The papers of Hildreth Meière measure 27.3 linear feet and 1.40 GB and date from 1901 to 2011, with the bulk of material dating from 1911 to 1960. The collection documents Meière's life and travels, and her long and prolific career as an architectural muralist through biographical material, correspondence, writings, thirteen diaries, files regarding her war relief work during the Spanish Civil War and World War II, printed and digital materials, extensive photographs and slides, eight sketchbooks, and two videocassettes and 93 reels of motion picture film documenting her travels, her volunteer efforts in Spain following the civil war, artwork, and home movies.

The Rockwell Kent papers measure 88.0 linear feet and date from circa 1840 to 1993 with the bulk of the collection dating from 1935 to 1961. The collection provides comprehensive coverage of Kent's career as a painter, illustrator, designer, writer, lecturer, traveler, political activist, and dairy farmer.

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Accounting and Bookkeeping forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana

The papers of sculptor, painter, and printmaker John Henry Bradley Storrs measure 20.44 linear feet and date from 1790-2007, with the bulk of the papers dating from 1900 to 1956. The collection contains biographical material, correspondence, personal business records, forty-eight diaries of John Storrs, a few diaries of other family members, additional writings, printed material, photographs of Storrs and his family and friends, artwork, scrapbooks, estate records, and video recordings. Correspondence includes that of John Storrs, Marguerite Storrs, and the Storrs family.

This collection includes information about Samuel P. Langley and his colleagues, as well as documentation of Langley's work. The collection includes biographies of Langley and his assistant Charles Manly, newspaper clippings, correspondence, manuscripts regarding Langley's aircraft, photographs and drawings, work requisitions for the Aerodromes, a sketchbook, specifications and measurements for Langley's experiments, the Langley Memoirs on Mechanical Flight and the Langley "Waste Books."