Manuscripts, correspondence, business records, newspaper clippings and scrapbooks documenting the career of Henry Grattan Tyrrell, an early-twentieth-century civil engineer and bridge builder who was also a prolific self-published author of hundreds of journal articles and several books. Subjects include aesthetic bridge design, history of bridges, design of movable bridges, and the economical design of factories, shops, and mill buildings.

Collection documents the 1939 New York World's Fair in Flushing Meadows, New York. Also includes material relating to other fairs, the Exhibition Collectors Historical Organization (ECHO), New York City tourism and The Walt Disney Company.

Thomas Dale Stewart was a physical and forensic anthropologist and worked at the Smithsonian National Museum of Natural History from 1931 until his death in 1997. He worked under Ales Hrdlicka until 1943, became the head curator in 1960, director of the museum in 1962, and retired in 1971. Stewart's research interests included physical and forensic anthropology and archaeology, mostly in North and South America. He also worked with the F.B.I. frequently to aid in homicide investigations, and worked extensively with the U.S. Army to identify skeletal remains from the Korean War in Operation Glory. The Thomas Dale Stewart Papers primarily deal with his life and career at the Smithsonian, particularly his research projects and publications between 1931 and 1991. Materials consist mainly of correspondence, photographic material, dossiers based on writings and research projects, and administrative files.

This collection contains the professional papers of William Curtis Sturtevant and documents his activities as Curator of North American Ethnology at the National Museum of Natural History, his work as the editor-in-chief of the Handbook of North American Indians, his research among the Seminole and Iroquois people, and other professional activities. The collection is comprised of books, sound recordings, research and field notes, realia, artifacts, clippings, microfilm, negatives, slides, photographs, manuscripts, correspondence, memorandums, card files, exhibition catalogs, articles, and bibliographies.

This accession consists of records which document administrative issues, projects, and special events at the Archives of American Art and regional offices. Materials include correspondence, memoranda, and notes pertaining to grants, loans, fundraising, membership, contributions, policies and goals, marketing, public relations, educational ...

The National Congress of American Indian (NCAI), founded in 1944, is the oldest nation-wide American Indian advocacy organization in the United States. The NCAI records document the organization's work, particularly that of its office in Washington, DC, and the wide variety of issues faced by American Indians in the twentieth century. The collection is located in the Cultural Resource Center of the National Museum of the American Indian.

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 records of the Downtown Gallery date from 1824 to 1974 (bulk 1926-1969) and measure 109.56 linear feet. The records present a comprehensive portrait of a significant commercial gallery that operated as a successful business for more than forty years, representing major contemporary American artists and engendering appreciation for early American folk art. There is an unprocessed addition to this collection dating circa 1970 of a single financial/legal document.

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 collection documents in photographs, scrapbooks, notebooks, correspondence, stock ledgers, annual reports, and financial records, the evolution of the telegraph, the development of the Western Union Telegraph Company, and the beginning of the communications revolution. The collection materials describe both the history of the company and of the telegraph industry in general, particularly its importance to the development of the technology in the nineteenth and twentieth centuries. The collection is useful for researchers interested in the development of technology, economic history, and the impact of technology on American social and cultural life.