National Geogaphic Virtual Library Logo National Geographic Virtual Library
National Geographic Virtual Library provides full access to every issue of National Geographic magazine from 1888 to the present, as well as National Geographic Traveler magazine (2010-present). You can also read full-text versions of National Geographic books online, and view additional maps, images and videos.
Salem History Logo Salem History
Search the complete content of the following printed reference sets: The Decades (American history series), Great Events From History (global events), Great Lives From History (biographies) and Milestone Documents (primary source material).
World History in Context World History in Context
A comprehensive collection of over 5000 years of global historical information. This resource contains credible articles, primary source information, images, maps and audiovisual material. Curriculum specific information is available. Great for teachers and students!