FightingDirectory.info is a great resource containing links related to Chinese martial arts, Korean martial arts, Japanese martial arts, martial arts services, aikido, karate, taekwando, muay thai, chung moo doe, tang soo do and more.
American Jujitsu Institute
Gives information about Kodenkan/Danzan Ryu Jujitsu techniques, history, philosophy, events, and participants.
http://www.edixi.com/users/theaji/
The AJJF promotes DanZan Ryu Jujitsu, a system of self-defense that incorporates physical and mental training within a philosophy of ethical and moral development.
Teaching Hawaiian Danzan Ryu Jujitsu. Based in Citrus Heights, California. Lists class schedule, instructor profile, history, taught system and general information.