Libraries & Archives

Directory of prefectural archives across all 47 prefectures. Notes which prefectures lack independent archives and which institutions substitute. Key for researching Edo-era domain records.

Using the National Museum of Japanese History (Rekihaku) database to research historical documents and regional records for genealogy.

Using the Historiographical Institute University of Tokyo databases to research medieval and early modern samurai and noble family records.

Directory of all 47 prefectural libraries in Japan with addresses and websites. Essential for accessing local history materials and regional genealogy records.

Using the National Diet Library and NDL Digital Collections for Japanese genealogy research. Covers official gazettes, regional histories, and biographical directories.

Using the National Archives of Japan and JACAR to research government appointments, military service, and repatriation records for Japanese ancestors.