The Dictionary of Literary Biography Complete Online provides authoritative information while placing writers in the larger perspective of literary history.
A to Z List of Online Resources
El sitio del Museo Nacional del Prado incluye colecciones digitales de las obras maestras de arte europeo, especialmente de los siglos XVI al XIX.
This site provides games and basic study aids for 80 languages.
The DPLA site provides acess to photographs, books, maps, news footage, oral histories, personal letters, museum objects, artwork, government documents, and more.
Maintained by the Public Library Association, DigitalLearn.org provides a number of tutorials to train computer skills and increase digital literacy.
Take free driver, motorcycle, and CDL practice tests, and read the full text driver manuals for all 50 states.
Duolingo provides free instruction in 16 languages, using games and mobile apps to support study.