The papers, 1878-1964 (20.5 linear feet) of museum curator, director, and art scholar William Mills Ivins (1881-1961) consist of correspondence, writings, notes, photographs, and Ivins family papers. Ivins was Curator of Prints, 1916-1946, Assistant Director, 1933-1938, and Acting Director, 1938-1940 at the Metropolitan Museum of Art. The collection contains professional and personal correspondence with art historians, art dealers, museum curators, print and book collectors, and artists concerning the history of print making, book design and illustration, print collectors and collecting, exhibitions, and museum administration. Also found are Ivins' published and unpublished writings and lectures, and notes. The collection contains some Ivins' family papers including family correspondence, genealogies, and photographs.

The papers of art historian and educator Milton Wolf Brown date from 1908 to 1998 and measure 26.0 linear feet. The collection documents Brown's career through scattered biographical material, correspondence with friends, publishers, colleagues, artists, museums, and art organizations, travel journals, files for the Prendergast Catalogue Raisonne Project, exhibition, research, teaching, and organization files, printed material, and scattered photographs. A large portion of this collection consists of writings by Brown including notebooks, draft writings for books and other publications, lectures, and his writings as a student.

The papers of architectural historian, author, critic, teacher, and museum director, Henry-Russell Hitchcock, date from 1919-1987 and measure 24.8 linear feet. Almost all of the collection is comprised of Hitchcock's correspondence files relating to academic research, teaching, curatorial interests, and professional associations. Letters are from prominent architectural historians, architects, artists, preservationists, museum directors and curators, and family and friends. Also found are two feet of writings by Hitchcock and others, scattered biographical information, printed material, and photographs of Hitchcock and architecture.

The papers of conservator and museum director George Leslie Stout measure 6 linear feet and date from 1855, 1897-1978. Stout was head of the conservation department at Harvard University's Fogg Art Museum, director of the Worcester Art Museum and Isabella Stewart Gardner Museum in Massachusetts, and a member of the Monuments, Fine Art and Archives (MFAA) Section of the U.S. Army during World War II. The bulk of the collection consists of correspondence with family, friends, colleagues and professional associations. There are letters from fellow Monuments Men who served in the MFAA section such as Thomas Carr Howe, Ardelia Hall, Lamont Moore, Theodore Sizer, Langdon Warner and several other prominent arts administrators. The papers also contain biographical materials, writings, sketches and one sketchbook, military records, printed materials, and photographs.

The papers of art historian and museum curator W.G. (William George) Constable measure 25.7 linear feet and date from 1905 to 1981, with the bulk of the material from 1920 to 1976. The papers include biographical material; professional and personal correspondence; extensive lectures, writings, and notes; exhibition and book research files; printed materials; and photographs, glass plate negatives, and slides. There is substantive correspondence related to Constable's participation in the American Defense Harvard Group and about the formation of the Roberts Commission, including correspondence with Ralph Perry, Hugh Hencken, Paul Sachs and George L. Stout. There are numerous official reports prepared by Constable after World War II for the U. S. Office of Military Government for Germany.

The Abraham Rattner and Esther Gentle papers measure 26.3 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 personal papers of Charles Lang Freer, the industrialist and art collector who founded the Freer Gallery of Art. The papers include correspondence, diaries, art inventories, scrapbooks of clippings on James McNeil Whistler and other press clippings, and photographs.

The papers of folk art collector and museum curator Herbert Waide Hemphill date from 1776-1998, bulk 1876-1998, and measure 26.7 linear feet. Found within the papers are biographical materials, personal business records, files documenting his collecting, writings, art work, minutes of meetings, a scrapbook, printed material including exhibition and auction announcements and catalogs, and miscellaneous artifacts. The collection also contains numerous photographs of Hemphill, family members, his residences, friends and colleagues, exhibitions, travel, and art work. Sound and video recordings include interviews of Hemphill.

The records of the Doll & Richards gallery of Boston measure 87.5 linear feet and date from 1863 to 1978, with the bulk of the material dating from 1902-1960s. Extensive financial and sales records, inventory records, and correspondence and letter books provide a detailed account of the business operations and sales of the gallery. Also found are notes and research files on artists and paintings, business and legal records, exhibition catalogs, six exhibition scrapbooks, printed materials, and photographs. Significant correspondents include John Chetcuti, Robert Freiman, Lloyd Goodrich, Tod Lindenmuth, Macbeth Galleries, William Meyerowitz, Museum of Fine Arts Boston, Stanley Woodward, and Andrew Wyeth, among many others.

The John Alexander Pope papers contain limited biographical, personal and professional information. The bulk of the collection consists of published and unpublished writings, research materials and correspondence.