Japanese Historical Maps : contains about 2300 early maps of Japan and the world
Japanese Maps of the Tokugawa Era UBC's one of the world's largest collections of maps and guidebooks of the Japanese Tokugawa period
Nihon Rekishi Chimei Taikei: Online database version of the 51 volumes of Japanese historical gazetteer. Includes 200,000 headings and function of creating spreadsheets and distribution maps.
電子国土ポータル (Geographical Survey Institute)
郵便番号検索システム (Postal Code Search)
Reference sources in English can be found on the first floor of the Olin Library.
Reference sources in Chinese, Japanese and Korean can be found in the East Asian Library reading room.