The scattered papers of surrealist painter Kay Sage measure 0.4 linear feet and date from 1925 to circa 1985, with the bulk of the material dating from 1950 to 1965. Information about Sage's life as an abstract and surrealist artist and her relationship with her husband, artist Yves Tanguy are found in this small collection of biographical materials, correspondence, printed material, and photographs.

The papers of painter, muralist, children's book author and illustrator James Daugherty measure 6.5 linear feet and date from 1904-1978. The papers document Daugherty's career and artistic process through a small amount of biographical material, correspondence, writings, printed material, and sketchbooks. The 150 sketchbooks span seven decades and are the bulk and highlight of this collection. They contain preparatory drawings and sketches for artworks, murals, and illustrations, as well mock-ups for books, travel sketches, and a good deal of writing. Daugherty worked in both a non-objective abstract style and in representational illustration. His illustrations depict biblical stories and familiar characters and caricatures from American folklore including Revolutionary War heroes, Native Americans, American explorers and frontiersman.

The papers of Connecticut painter, educator, photographer, and watercolorist Roger Crossgrove measure 21.1 linear feet and date from 1888 to 2012 with the bulk of the collection dating from 1950 to 2006. The collection consists of biographical material, correspondence, writings and notes, professional files, teaching files, subject files, exhibition files, printed materials, personal business records, artwork, sketchbooks, and photographic materials.

The papers of painter and muralist Harry Siddons Mowbray (1858-1928) and the Mowbray family measure 7.5 linear feet and date from 1872 to 1976. The papers document Mowbray's career as a painter and decorative muralist as well as his activities with the Commission of Fine Arts, the American Academy in Rome, and the Sculpture Commission of Connecticut. The papers include biographical materials, scattered correspondence, nineteen diaries, personal business records, commission files, organization files, writings and notes, printed materials, three scrapbooks, photographs, and artworks. There are scattered family papers of Helen Mowbray, Florence Mowbray, George Mowbray, and George Siddons Mowbray.

The Elmer Livingston MacRae papers related to the Association of American Painters and Sculptors, Inc., (AAPS) measure 1.8 linear feet and date from 1899 to circa 2013, with the bulk of the material dating from 1912-1916. Elmer Livingston MacRae served as Treasurer of the AAPS when the association organized the International Exhibition of Modern Art, also known as the Armory Show of 1913. The bulk of this collection concerns MacRae's involvement with the AAPS and the Armory Show and includes administrative files, correspondence, exhibition files, financial records, printed materials, and artifacts.

The Oliver Ingraham Lay, Charles Downing Lay, and Lay Family Papers measure 10.54 linear feet and date from 1789 through 2000, with the bulk of the material dating from circa 1870-1996. The collection presents an overview of the personal lives and careers of painter, Oliver Ingraham Lay and his son, landscape architect, Charles Downing Lay. In addition, there are the papers of Lay family members and friends, including those of the Marian Wait Lay family (wife of Oliver Ingraham Lay) and of the Laura Gill Lay family (wife of Charles Downing Lay). Also found are the papers of the landscape and nature painter Fidelia Bridges. The collection consists of biographical material, correspondence, diaries, writings and notes, scrapbooks, family business records, exhibition files, printed material, as well as original artwork, sketches, a sketchbook, landscape designs, and photographs.

The papers of painter and muralist Daniel Putnam Brinley and his wife, linguist and writer Kathrine Sanger Brinley, date from 1879 to 1984 and measure 14.3 linear feet. The Brinleys' careers and lives are documented in biographical materials, as well as extensive correspondence with one another, family, friends, art galleries, organizations, publishers, and others. Also found within the papers are writings by both, including 16 diaries (1 by Daniel Putnam Brinley and the rest by Kathrine), essays, manuscripts, typescripts, notes and notebooks, poetry, and various other writings. There are mural commission files, files for organizations of which the Brinleys were members, financial and legal records, exhibition catalogs, news clippings, and other printed material. Also found are photographs of the Brinleys, family, friends, travels, and artwork, and six sketchbooks and original artwork by Daniel Putnam Brinley.

The research material of Connecticut artists and authors Nelson and Henry C. White, measures 4.5 linear feet and dates from circa 1851-1961. The bulk of the collection consists of Nelson C. White's correspondence, writings, and research, primarily related to J. Frank Currier and Abbott Handerson Thayer, and referencing Thomas Wilmer Dewing. Also found are the correspondence, writings, and research files of Nelson's father, Henry C. White, primarily relating to Dwight W. Tryon. Research files include artist correspondence, writings and notes, printed material, photographs of the artists, and photographs of artwork and exhibition installations.

The three letters from artist Luigi Lucioni to art historian Nelson C. White measure 0.02 linear feet and are dated June 5, 1922, June 27, 1923, and December 11, 1927. In these letters, which reflect the friendship between Lucioni and White, Lucioni writes about various topics the two correspondents had discussed in person, including the National Academy of Design, his studio and work, and novels and plays that interest him.

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.