The papers of New York and New Mexico writer, art critic, and curator, Lucy R. Lippard, measure 56.5 linear feet and 0.454 GB and date from the 1930s to 2007, with the bulk of the material dating from the 1960s to the 1990s. Over half of the collection consists of correspondence files documenting Lippard's professional relationships with artists, writers, galleries, art institutions, and political organizations, and her interest in conceptual and minimalist art, feminism and political activism. Also found are Lippard's notes and writings including sound recordings and interviews, teaching and exhibition files, printed and digital material, several works of art, and photographs of artwork and artists. Scattered throughout the collection are a small number of records concerning Lippard's personal life. An addition of 3.0 linear feet donated 2015 includes subject files on feminist and conceptual art as well as land use, development, and local politics and history in New Mexico.

The papers of weaver, textile designer, and businesswoman Dorothy Liebes are dated circa 1850-1973 (bulk 1922-1970), and comprise 25 linear feet. Biographical information, subject files, correspondence, writings, artwork, financial records, scrapbooks, textile samples, printed material, sound recordings, and photographs document Liebes' career and personal life. Her second husband, Associated Press Reporter Relman "Pat" Morin, is also represented in the collection, although to a much lesser extent.

The papers of sculptor, painter, and publishing executive Alexander Semeonovitch Liberman date from circa 1913-2003 and measure 59 linear feet. Found within the papers are biographical materials; correspondence with family, galleries, museums, and many artists; numerous recorded interviews and transcripts with and by Liberman, including one of Walter Hopps; writings and writing project files; extensive subject files maintained by Liberman; exhibition files; printed materials; scattered drawings; and extensive photographs of Liberman's artwork, exhibitions, Liberman, and of Liberman with notable artists, dealers, collectors, and critics. Many of the photographs were taken by noted photograhers. Also found within the papers are unidentified sound and video recordings. Additional sound and video recordings have been integrated into other series.

The papers of painter and teacher Julian E. (Edwin) Levi date from 1846 to 1981, and comprise 6.9 linear feet. They include biographical information and extensive correspondence with museums and galleries, as well as letters written to his family, circa 1927, while Levi was living in Paris. Also found within the papers are scattered drawings and sketches by Levi, writings and notes, financial records, two scrapbooks, printed material, miscellaneous records and photographs that document Levi's professional career and personal life.

The papers of New York social realist painter and printmaker Jack Levine date from 1923-1999, and measure 3.2 linear feet. Levine's career is documented through biographical material, scattered letters, notes and a speech, writings, student drawings, three scrapbooks, printed material and nearly one linear foot of photographs of Levine, his family, and his colleagues.

The papers of painter Helen DeMott measure 7.9 linear feet and date from 1896-1997. DeMott's painting career from 1940-1996 is documented through her numerous sketchbooks and original artwork. Also found is biographical material, correspondence, writings and poems, scrapbooks, printed material, photographic material, audio and video recordings, and scattered material from collagist Ray Johnson.

The Jean Gabriel Lemoine papers relating to Morgan Russell measure 0.2 linear feet and are comprised of 20 items that date from 1921-1923 and 1964. The item dating from 1964 is a typescript of a letter fragment. Included are 17 letters and letter fragments written by Morgan Russell in 1923 to Jean Gabriel Lemoine, art critic for L'Echo de Paris. In these letters Russell explains his art and the Synchromism style that he developed with Stanton MacDonald-Wright. Also found are a one page list naming ten paintings in his studio, an article by Lemoine about Russell, and a typed extract about Russell from La Peinture Abstraite by Michel Senghor.

The papers of sculptor Anna Coleman Ladd measure 4.26 linear feet, date from 1881-1950, and document the career of sculptor Anna Coleman Ladd. Found within the papers are biographical material, letters, diaries, financial material, notes and writings, art work, a file concerning the American Red Cross Studio for Portrait-Masks, scrapbooks, printed material, and photographs.

The papers of printmaker, etcher, and painter Blanche Lazzell (1878-1956) measure 4.6 linear feet and date from 1893 to 1986, with the bulk of the material dating from 1901 to 1940. Found within the papers are biographical materials; correspondence with family, friends, and colleagues; writings; five diaries; scattered personal business records; printed material; artwork; photographs; and artifacts.

The papers of muralist and sculptor, Pietro Lazzari, measure 12.84 linear feet and date from 1878 to 1998. The papers document Lazzari's life and career through biographical material, correspondence, business records, notes, writings, artwork, photographs, and printed material.