The sixth volume includes documents on the history of the organizations of Russian militaries abroad from Russian military and KGB archives; most of them are published for the first time. This volume covers the period of open confrontation between "Kirillovtsy" and "Nikolaevtsy" in 1925-27. Contents in English. Index. (0.9 kg.). Started in 1998. Volume 4 (2007) and 5 (2010) are also available.