The papers of Xavier Gonzalez, a New York and Massachusetts painter, sculptor, educator, and owner of the Wellfleet Art Gallery, measure 14.1 linear feet and date from 1908 to 1997. The collection consists of biographical materials, correspondence, writings, project files, business records, printed materials, scrapbooks, photographs, and artwork.

The papers of painter, sculptor, and educator Octavio Medellin measure 3.6 linear feet and date from circa 1935 to circa 1979. The collection is comprised of correspondence with Carlos Mérida, Stanley Marcus, Lucy Maverick, Bess Hubbard, Xavier Gonzalez, and others; commission files for projects in Texas; professional files that include notes, biographical essays, and material for the Medellin School of Sculpture, Mendocino Art Center, International Institute of Arts and Letters, and the San Antonio Religious Show; printed and documentary materials consisting of an art reproduction, booklets, exhibition catalogs, magazines and yearbooks, and video recordings of Swank in the Arts; and photographic materials of Medellin, his studio, family and friends, travel in Mexico, his students, and works of art.

The records of New York City's Grand Central Art Galleries measure 1.3 linear feet and date from 1931 to 1968, with the bulk of the material from circa 1952 to circa 1965. The majority of the records are related the Grand Central Moderns, the modern art division of Grand Central Art Galleries. The collection includes group exhibition files, artists' files, printed material and photographs.

The papers of painter, illustrator, and educator Ethel Edwards (1914-1999) measure 11.2 linear feet and date from circa 1929 to 1999. The papers are comprised of biographical materials, correspondence, writings and notes, business records for the Wellfeet Art Gallery that she operated with her husband Xavier Gonzalez along with records for Edwards' personal business activities, printed materials, three scrapbooks, photographic materials, artwork, and 32 sketchbooks.

The papers of museum director Perry Townsend Rathbone measure 4.3 linear feet and date from 1929 to 1985. The papers document Rathbone's career as museum director of the City Art Museum of St. Louis and the Boston Museum of Fine Arts, and his later work with Christie's New York office. Found within the papers are biographical materials, correspondence with friends and colleagues, writings, professional and project files, printed materials, and photographs, mostly of exhibitions.

The papers of sculptor, painter, and educator Sidney Simon measure 8.0 linear feet and date from circa 1917-2002, with the bulk of the papers dating from 1940-1997. The collection documents Simon's career through biographical material, correspondence, writings and notes, subject files, sketches, sketchbooks, printed material, and photographs.

The papers of painter George Tooker measure 1.5 linear feet and date from circa 1930 to 1973. The papers document Tooker's personal and professional life through biographical material, correspondence, project files, printed material, artwork and one sketchbook, and 209 photographs, including some taken by noted photographer George Platt Lynes.

The papers of New York City still life painter and art instructor Walter Tandy Murch date from 1880-1970 and measure 8.2 linear feet. Found within the papers are biographical materials, four diaries, correspondence with colleagues and family members, personal business records, exhibition files, notes and writings, two sketchbooks and additional art work, printed material, and photographs of Murch, family members, and art work.

The Abraham Rattner and Esther Gentle papers measure 24.8 linear feet and date from 1891 through the 1980s. The collection documents Rattner's life and career as an artist through interviews, extensive correspondence, gallery files, studio notebooks, writings, notes, date books and diaries, photographs, and works of art.

The records of Milch Gallery measure 42.5 linear feet and date from 1911-1995. Edward Milch (1865-1953) opened the Edward Milch Gallery in New York City. In 1916, he formed a partnership with his brother Albert Milch (1881-1951), a gilder and framer, creating E. & A. Milch, Inc., a gallery specializing in American art. Harold C. Milch (1904-1981), Albert's son, was appointed a partner in 1944 and continued the business until his death. Business records of Milch Gallery, 1911-1968, include correspondence, sales records, inventories, financial records, printed matter, photographs, and legal documents. Later additions to the records date from 1922-1995 and include correspondence; artists' files; financial, sales, and stock records; printed material; and photographs.