1938 published "Organisationsbuch der NSDAP". 5th edition. 592 pages.
The most important period time book on the NSDAP and its sub-organizations such as DAF, SA (including Marine-SA), NSKK, SS, HJ, BDM, RAD, NSFK, etc. It not only gives a brilliant overview of the structure but also on uniforms, headgear, flags, insignia, lanyards, daggers, and awards.
