Records of four of Nathan Halper's Provincetown galleries measure 4.2 linear feet and date from 1952-1979. The records relate to Kootz Gallery, H-C Gallery, HCE Gallery, and Sun Gallery - all based in Provincetown. The bulk of the collection consists of correspondence with artists, estate executors, collectors, galleries, and museums. There are also scattered business and financial records documenting operations and sales, photographs and slides, printed materials, and one poem. Correspondents include Milton Avery, Anthony Caro, John Murray Cuddihy, Marsden Hartley, Hans Hoffman, Samuel Kootz, Robert Motherwell, David Smith, Richard Stankeiwicz, and many others.

The papers of Dore Ashton measure 35.6 linear feet and date from circa 1928-2014, with one letter in the Joseph Cornell subject file dating from 1849. The records document Dore Ashton's career as an art critic, historian and educator, with particular depth for the period of 1952 through 1990. The collection contains a small amount of biographical material, as well as correspondence, writings, subject files, printed materials, artwork, and reference photographs of artworks. An addition to the Dore Ashton papers includes biographical material, correspondence, writings, writing project and subject files, teaching files, printed material, artwork and sketchbooks, and photographic material.

The papers of New York-based painter, lithographer, art critic, and poet Fairfield Porter measure 9.3 linear feet and date from 1888 to 2001, with the bulk of material dating from 1924 to 1975. Papers document Porter's life and career through correspondence, writings, business records, printed materials, photographs, and artwork.

The André Emmerich Gallery records and André Emmerich papers measure 311.4 linear feet and date from 1929 to 2009. The collection documents the business of the André Emmerich Gallery as well as André Emmerich's life and activities related to the business of selling art. Gallery records include correspondence; appointment books; administrative and subject files; exhibition files; artist files and accounts; inventory, sales, purchase, and consignment records; chronological files; financial and legal records; printed materials; original artwork; photographic and audiovisual materials. Also found are personal papers and records relating to André Emmerich. TheA small addition received in 2014 includes general correspondence, administrative files, exhibition files, artists' files, inventory records, consignment records, printed material, photographic materials, and André Emmerich personal papers and records.

The Jacques Lipchitz papers and Bruce Bassett papers concerning Jacques Lipchitz measure 52.8 linear feet and are dated circa 1910-2001, with the bulk of the material from the period 1941-2001. Papers are comprised of sculptor Jacques Lipchitz's personal papers and filmmaker Bruce Bassett's papers relating to Jacques Lipchitz. Lipchitz's personal papers contain personal and professional correspondence, comprising nearly half of the series, and biographical material, writings by and about Lipchitz, printed material, and photographs documenting Lipchitz's commissions, exhibitions, friendships, and interests. Also found are records relating to the compilation and production of The Sculpture of Jacques Lipchitz: A Catalogue Raisonné by Alan G. Wilkinson. The Bruce Bassett papers relating to Jacques Lipchitz consist mainly of Bassett's extensive audiovisual documentation of Lipchitz's life and art. Also found are paper records related to the audiovisual projects, including letters, business records, printed materials, and production records. A small quantity of material unrelated to Lipchitz is also found among the Bassett material, including video and sound recordings related to Sidney Lifchez, IBM, Isamu Noguchi, the Storm King Sculpture Center, and Auguste Rodin.

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.