The Francis Davis Millet and Millet family papers measure 3.3 linear feet and are dated 1858-1984, with a few scattered early eighteenth-century items, such as legal documents and printed matter. The bulk of the materials dates from 1858 to 1955. Found are biographical materials, diaries/journals, family letters, notes and writings, art work, printed matter, miscellaneous records, and photographs documenting Millet's wide-ranging artistic and writing career and personal life, including his death aboard the Titanic. Also of interest are approximately twenty ink caricatures attributed to John Singer Sargent.

An interview of David Ellsworth conducted 2007 July 16, by Josephine Shea, for the Archives of American Art's Nanette L. Laitman Documentation Project for Craft and Decorative Arts in America, at Ellsworth's home, in Quakertown, Pennsylvania.

The Dorothy Gees Seckler collection of sound recordings relating to art and artists measures 1.6 linear feet and dates from 1962 to 1976. Recordings include 17 interviews conducted by Seckler, one interview by John Jones, and 17 additional recordings of mostly contemporary art-related programs and interviews taped from radio and television broadcasts. Recordings are on 26 sound cassettes and 25 sound tape reels.

The papers of Wisconsin painter, educator, and draftsman John Wilde measure 21.3 linear feet and 0.008 GB and date from 1935 to 2011. The papers consist of biographical material, correspondence, interviews, writings and notes, 27 journals, personal business records, exhibition files, two scrapbooks, photographic materials, six sketchbooks, artwork, and nearly 90 limited edition, letterpress artist collaboration books – many that include artwork contributed by Wilde.

The Cleve Gray papers, 1933-2005, measure 9.2 linear feet. Papers include biographical material, alphabetical files, writings, artwork, audio/visual records, artifacts, printed material, and photographs. Extensive alphabetical files contain personal and professional correspondence as well as subject files relating to projects and interests. Especially well-documented are: Gray's involvement with the Vietnam protest movement; and Threnody, his best-known work composed of fourteen large panels lamenting the dead of both sides sides in Vietnam, commissioned by the Neuberger Museum of Art.

The papers of painter and co-founder of the Skowhegan School of Painting and Sculpture Willard Warren Cummings measure 19.3 linear feet and date from 1911 to 1997 with the bulk of the papers dating from 1930 to 1975. The collection documents Cummings's career as an artist through biographical material, correspondence, writings, printed materials, scrapbooks, artwork, and photographic material.

The papers of painter and teacher Douglas Volk (1856-1935) and his father, sculptor Leonard Wells Volk (1828-1895), measure 12.4 linear feet and date from circa 1858-1965, 2008, with the bulk of the material dating from circa 1870-1935. Douglas Volk's papers document his life and career through biographical material, family and professional correspondence, writings and notes, diaries and journals, financial records, printed material, scrapbooks, artwork and sketchbooks, and photographs of the artist, his family, friends, and artwork. The papers also provide documentation of the formation and operations of the Sabatos Handicraft Society established with Marion Volk from the Volk's summer home, Hewnoaks, in Center Lovell, Maine. Scattered documentation of the life and work of Leonard Wells Volk, is found in biographical material, land records, letters, memoirs, and photographs.

The papers of Reginald Marsh (1898-1954) measure approximately 9.3 linear feet and date from circa 1897 to 1955. The collection documents the life and work of the artist, who was best known for his paintings and illustrations depicting scenes of vaudeville, night clubs, burlesque, and New York City. Marsh was a lifelong free-lance illustrator for the New Yorker, Esquire and many other national magazines. Papers include correspondence, diaries, notebooks, sketches, scrapbooks, business and financial papers, and photographs, as well as some biographical and printed material.

Garrick Mallery (1831-1894) was an ethnologist with the Bureau of American Ethnology who focused primarily on Native American sign language and pictography. This collection reflects Mallery's research interests and methods. Much of the collection is comprised of correspondence and notes relating to sign language and pictography and is organized chiefly by either the cultural or geographic region to which the material belongs. Bound volumes of several of his publications are included, along with annotated draft copies from collaborators. In the case of Mallery's work on pictography, the collection includes several oversize items including original works and reproductions.

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.