4,000+ world, continent, country, and state maps. Thematic maps include: political maps, physical maps, outline maps, population maps, precipitation maps, and climate maps.

Digital library of art images and associated information. Prehistoric to contemporary, international in scope, includes architecture, painting, sculpture, photography, decorative arts and design. To use, enable Java scripts, disable pop-up blockers.

Digital editions of "virtually every book, pamphlet and broadside published in America over 160 year period." Subjects include government, history, economics and trade, literature, philosophy, religion, theology, science, society. (Readex)