The papers of landscape painter Worthington Whittredge measure 2.2 linear feet and date from the 1840s to 1965, with the bulk of the papers dating from 1849 to 1908. This small collection documents Whittredge's career as a painter, particularly his years in Europe from 1849 to 1859, through biographical materials, a manuscript of his autobiography, news clippings, catalogs, six sketchbooks and numerous drawings and paintings. Also found are two photographs of Whittredge and a nineteenth-century photo album containing photographs of 32 famous artists.

The papers of landscape painter Sanford Robinson Gifford, date from the 1840s through 1900, and circa 1960s-1970s. The bulk of the papers fall between 1855-1881; material from the circa 1960s-1970s consists of photographic copy prints for which the Archives does not have the originals. The small collection measures 0.9 linear feet of scattered documentation of Gifford's life, primarily extensive biographical accounts of his travels in the mid 1850s and late 1860s in the form of bound letters to his father. These serve as detailed journals of his impressions of Europe and the Middle East, the development of his painting, and his relationships with other artists such as Albert Bierstadt and Worthington Whittredge. The collection also contains sketches by Gifford, printed material including catalogs of Gifford's paintings, and photographs of Gifford and others.

The papers of Hudson River School painter Jervis McEntee measure 1.6 linear feet and date from 1796 and 1848 to 1905. Letters from close friends and family members to McEntee include many from his mentor Frederic Edwin Church, and fellow artists Samuel Putnam Avery, George Henry Boughton, Sanford Gifford, Richard Henry, Eastman Johnson, Elizabeth B. Stoddard, John Ferguson Weir, Worthington Whittredge, and others. Papers relating to the McEntee family include obituaries, a family genealogy, and letters from and regarding family members. There are also papers relating to the Vaux family (McEntee's brother-in-law's family) and American architect and landscape artist Calvert Vaux, who designed a studio for McEntee. Of special significance are five volumes of diaries dating from 1872 through 1890 which provide a detailed depiction of the American art world in the 1870s and 1880s.

The collection of artists' letters compiled by Mary and John McGuigan Jr. measure 0.6 linear feet and date from 1794-1938. The collection is comprised of a group of letters, writings, and signed documents to and from a variety of artists, art administrators, art critics, historians, and art-related organizations assembled from multiple sources. It also includes associated printed material with some documents and a few photographs, including carte de visites and cabinet cards.

The Library of Congress Copyright Deposit Collection is comprised of 2,335 photomechanical reproductions of works by 741 artists (mostly American). The large-format prints, deposited with the Library of Congress for copyright between 1890 and 1945, represent a broad range of nineteenth- and twentieth-century American art.

The papers of art historian, collector, educator, and museum administrator John Davis Hatch measure 24.9 linear feet and date from 1790-1995. Within the papers are biographical materials; correspondence; personal business and legal documents; diaries; research, organization, and teaching files; writings; printed materials; photographs; and works of art (mostly sketches) by American artists. Research files regarding artists and specific subjects comprise the bulk of this collection.

The papers of art historian E. P. Richardson measure 28.7 linear feet and date from 1814-1996, with the bulk of the materials dating from 1921-1996. Within the papers are scattered biographical materials; acquisition files for Richardson's personal art collection; professional and personal correspondence with colleagues, art historians and critics, artists, museums, galleries, and dealers; numerous writings, including manuscripts and research files for his published books, articles, and lectures; general research notebooks and files compiled by Richardson on a wide variety of art-related topics and artists; professional and committee files; as well as a smaller amount of Constance C. Richardson's papers.