Contagion: Historical Views of Diseases and Epidemics
Charles Babbage Institute: Computing, Information, and Culture Digital Collections
Classic Computer Magazine Archive
Expeditions and Discoveries: Sponsored Exploration and Scientific Discovery in the Modern Age
The Evolution of the Conservation Movement: Library of Congress
Forest History Society
Forest History Digital Image Collection
Gardner Collection of Photos of the New England Landscape
Historic Maps: University of Virginia
Jacques Burkhardt Scientific Drawings (Nineteenth Century Science and Nature Artist)
John Muir Papers, The University of the Pacific
Medicine in America
Papers of Samuel Williams (Eighteenth-Century Naturalist)
Prairie Settlement: Nebraska Photographs and Family Letters
Sierra: Sierra Club Magazine
Shasta Springs Visual Material, Bancroft Library
Smithsonian Institution Computer History Collection
Tuskegee Syphilis Study
U.S. Fish & Wildlife Society Digital Collections