GLOSS (Global Language Online Support System)
Resources from the Defense Language Institute Foreign Language Center for learning to read and speak in a variety of languages. Searchable lesson materials for self-study at all levels.

Japanese Historical Maps 
English website. Collection of historical maps of Japan by UC-Berkeley. Especially rare is the collection of Tokugawa city maps: 252 maps of the city of Edo (modern Tokyo), 79 maps of Kyoto, 40 of Osaka, and 30 maps of other cities such as Kanazawa, Nagoya, Nagasaki, and Yokohama, all from the Tokugawa period. Among the earliest maps are those of Osaka (1656), Kyoto (1654-68), and Edo (1676). The earliest Japanese world maps also date from this period.

Japan Government on the WWW 
A comprehensive list of links to the various government departments of Japan, including the Statistics Bureau, Ministry of Economy, Ministry of Education, Ministry of Health, and NHK (Japan Broadcasting Corporation). You may need to select English on the page.

Perapera.org 
Firefox and Google Chrome extensions that allow for a pop-up dictionary. Put your mouse over any Chinese or Japanese word, and it gives you the pronunciation and definition.