History of Political Police in Russia: V.F. Dzunkovsky and Fight against Police Provocation Practice in 1913-1915 - PDF (Russian)
Copyright (c) 2012 Gutnov D.A.
![Creative Commons License](http://licensebuttons.net/l/by-nc/4.0/88x31.png)
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.