The records document the work of consulting engineers and bridge builders, Ralph Modjeski (1861-1940) and Frank Masters (1883-1974) of Harrisburg, Pennsylvania.

Audiovisual materials relating to the documentary Beatrice Wood: Mama of Dada measure 11 linear feet and date from 1990 to 1993. Records include sound recordings, motion picture film outtakes, transcripts, production notes, lab records of the film production, and video recordings of the completed documentary.

Approximately 11,000 images collected by Thomas Norrell consisting of original photographic prints and photographic postcards, original film and glass plate negatives, and duplicate/copy photographic prints and negatives. The majority are external views of single locomotive engines of North American railroad and industrial companies. Images of international railroad company locomotives and of representative locomotives from various locomotive works and builders are also included. The collection contains a small number of subject-specific images covering such topics as train wrecks, funeral trains, experimental locomotives, miniature trains, and locomotives at the 1933 and 1939 World's Fairs.

Photographs relating to Native Americans or frontier themes, including portraits, expedition photographs, landscapes, and other images of dwellings, transportation, totem poles, ceremonies, infants and children in cradleboards, camps and towns, hunting and fishing, wild west shows, food preparation, funeral customs, the US Army and army posts, clif...

The Smithsonian Institution Festival of American Folklife, held annually since 1967 on the National Mall in Washington, D.C., was renamed the Smithsonian Folklife Festival in 1998. The materials collected here document the planning, production, and execution of the annual Festival, produced by the Smithsonian Center for Folklife and Cultural Heritage (1999-present) and its predecessor offices (1967-1999). An overview of the entire Festival records group is available here: Smithsonian Folklife Festival records.

The papers of art historian, curator, and educator Patricia Hills measure 39.1 linear feet and 0.113 GB and date from circa 1900-2015, bulk 1968-2009. Central to this collection are project files documenting professional work that resulted in lectures, publications, exhibitions, art history courses on numerous artists including Alice Neel, Jacob Lawrence, May Stevens, Rudolf Baranik, and John Singer Sargent. These files and files documenting Hills's tenure at the Whitney Museum of American Art include planning documents, research files, correspondence, manuscripts and accompanying publications, as well as other printed materials. Some of this material is in digital format. The collection also contains correspondence with art historians, artists, curators, and others, notably Lawrence Alloway, Lowery Stokes Sims, Lucy R. Lippard, T.J. Clark, Leon Golub, and Donald Kuspit; professional files documenting grants and residencies awarded and consulting work; artist and subject files; other writings; and printed and digital material. Membership and affiliation records document Hills' service to the profession, including Women's Caucus for Art and the Visual Culture/Art History Caucus of the American Studies Association.

This collection contains a variety of periodicals, photographs, correspondence, business and advertising ephemera (corporate and non-profit, personal), organizational records and ephemera, created by, for, and in reaction to the Lesbian, Gay, Bisexual, Transgender (LGBT) community.

The Leo Castelli Gallery records measure 215.9 linear feet and 0.001 GB and date from circa 1880-2000, with the bulk of the materials dating from the gallery's founding in 1957 through Leo Castelli's death in 1999. The major influence of dealer Leo Castelli and his gallery on the development of mid-to-late twentieth century modern art in America is well-documented through business and scattered personal correspondence, administrative files, exhibition files, extensive artists' files and printed materials, posters, awards and recognitions, photographs, and sound and video recordings. Also included are records for the subsidiary firms of Castelli Graphics and Castelli/Sonnabend Tapes and Films.

The Alexander Archipenko papers measure 19.5 linear feet and date from 1904 to 1986, with the bulk of materials dating from 1930 to 1964. The sculptor's personal and professional life is documented by correspondence, financial records, scrapbooks, printed matter, and photographs documenting his art, exhibitions, travel, teaching activities, and the Archipenko Art School. Archipenko wrote and lectured extensively about his philosophies of art and the relationship between art and nature. The papers include drafts, notes, and final manuscripts of published and unpublished writings, and notes, outlines, transcripts, and audio recordings of some of his lectures.

The George Henry Mills Collection was donated to the National Air and Space Museum in 1994 by Mills' daughter, Mrs. Georgia Mills Head.