This comprehensive collection of reference articles, primary, and secondary sources, and original scholarly essays from prominent historians provides insight into the social history of societies from prehistory to the 21st-century. NOTE: Citations can be exported to NoodleTools.
Searchable archives of Air & Space magazine and Smithsonian Magazine. Special features include the Evolution of Flight, 1784-1991, Trade Literature and the Merchandizing of Industry, and World's Fairs and Expositions: Visions of Tomorrow NOTE: Citations can be exported to NoodleTools.
Science Reference Source provides full text for hundreds of science magazines, journals, reference books, high-quality videos, and images. NOTE: Citations can be exported to NoodleTools.