The papers document Leo H. Baekeland, a Belgian born chemist who invented Velox photographic paper (1893) and Bakelite (1907), an inexpensive, nonflammable, versatile plastic. The papers include student notebooks; private laboratory notebooks and journals; commercial laboratory notes; diaries; patents; technical papers; biographies; newspaper clippings; maps; graphs; blueprints; account books; batch books; formula books; order books; photographs; and correspondence regarding Baekeland, 1887-1943.

The Rockwell Kent papers measure 88.0 linear feet and date from circa 1840 to 1993 with the bulk of the collection dating from 1935 to 1961. The collection provides comprehensive coverage of Kent's career as a painter, illustrator, designer, writer, lecturer, traveler, political activist, and dairy farmer.

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 collection dates from 1678 to circa 2005 and consists of 58 maps, engravings, posters, original documents and photographs related to East, Central and South Africa. There is a special focus on Ethiopia (Abyssinia), Tanzania and the Sudan, and the collection's subjects include East African geography, history, political affairs and African leaders, as well as European (German, Italian, British) and American colonization, exploration and warfare in Africa.

The papers of weaver, textile designer, and consultant Dorothy Liebes date from circa 1850-1973 (bulk 1922-1970) and comprise 24.7 linear feet. Through biographical material including a sound recording of an interview, family and general correspondence, writings including a draft of Liebes's autobiography, subject files providing detailed records of her influential consulting work, financial and legal files, printed material, scrapbooks, artwork, textile samples, and photographic material picturing a wide variety of career and personal activities, the collection provides rich and extensive documentation of Liebes's career and personal life.

This record unit consists of exhibition catalogs of shows circulated by the Smithsonian Institution Traveling Exhibition Service (SITES).

This accession consists of records that document the planning, execution, administration, and promotion of traveling exhibitions. Materials include correspondence, memoranda, press releases, press kits, photographs, catalog text, itineraries, fact sheets, checklists, meeting agendas, clippings, budgets, proposals, brochures, notes and rel...

These records consist of Smithsonian Institution Traveling Exhibition Service (SITES) exhibition files, arranged by exhibition. The files contain varying amounts of information, including itineraries, shipping and insurance papers, press releases, lists of items, correspondence with lenders, and occasional photographs.

The papers document the life and work of William R. Hutton, a civil engineer during the late 1800s to the early 1900s. Materials include diaries, notebooks, correspondence, letterpress copy book, printed materials, publications, specifications, photographs, drawings, and maps that document the construction of several architectural and engineering projects during this period. Most notable are the records containing information related to the construction of the Chesapeake and Ohio Canal, Hudson River Tunnel, the Washington Aqueduct, the Kanawha River Canal, and the Washington/Harlem River Bridge. There are also several records about railroads in the state of Maryland, the District of Columbia and elsewhere, including the Western Maryland Railroad, Baltimore and Ohio Railroad, Colorado Midlands Railway, Baltimore and Drum Point Railroad, the Northern Adirondack Railroad, and the Pittsfield and Williamstown Railroad. The records can be used to track the progression of these projects, and engineering innovation during the late 1800s to the early 1900s.

This accession consists of records that document the organization, design, and promotion of exhibits. Major exhibitions represented include Ocean Planet, Seeds of Change, and Tropical Rainforests: A Disappearing Treasure. Materials include correspondence, memoranda, planning documents, exhibit proposals, research notes and materials, lett...