The Official Kata Manual of the KDRJA by Profs. Arrington, The Kiehls, Guth and Janovich
The Authoritative Handbook of the Kodenkan Jujitsu School: Danzan-Ryu Jujitsu as taught by Prof. Sig Kufferath and Prof Tony Janovich by Prof. Tony Janovich
Yawara Explained by Prof. Doug Kiehl
Kappo Explained by Prof. Doug Kiehl
Danzan Medicine by Prof. Doug Kiehl
Jujitsu’s Spirit Yell by Prof. Doug Kiehl
Danzan-Ryu Essentials by Prof. George Arrington
Esoteric Principles by Prof. George Arrington
Mokuroku and Kaidensho by Prof. George Arrington
Fusegi Jutsu by Prof. George Arrington
Yawara by Prof. George Arrington
Authentic Hand-To-Hand Combat From World War II by Prof. George Arrington