http://dare.uni-koeln.de/
External links:
- HyperWar: “The Amphibians Came to Conquer”
- IMDB, “The Battle of Okinawa,” 1971
- LA Times, “Okinawa Rape Suspect’s Lawyer Gives Dark Account”
- National Archive of Japan, "Ryukyu Mission to Edo"
- Okinawa City
- Okinawa Peace Network of Los Angeles
- University of Texas, Castaneda Library, "Maps of the Ryukyus"