"Badges of USSR Defense Societies". A. Kalistratov., V. Voronochnko C. 2002 Yekaterinburg.  (E-Book in djvu format - all the programm to view including)

In Russian, soft cover, 108 pp. Over 200 excellent close-up pictures in full color, obverse and reverse. The book consists of four parts covering award and qualification badges of Soviet Civil Defense: Voroshilov Marksman, "Ready for Labor and Defense", PVKhO (Antiaircraft and Chemical Warfare Readiness) and Red Cross. On all four counts, this is the most factual, accurate and complete catalog ever published.

Contains detailed information on makers, maker marks, dates of manufacture and requirements to be awarded with the badge. The book also shows fair market value of each variation in Russia. OUTSTANDING!