Decree on the jurisdiction of martial law and on special measures of the troops
http://www.clas.ufl.edu/users/ggiles/barbaros.html
Fuehrer Decree, 13 May 1941, on Regulation of Conduct of Troops in District "Barbarossa" and Handling of Opposition
http://www.ess.uwe.ac.uk/genocide/USSR5.htm
http://en.wikipedia.org/wiki/The_Wehrmacht_War_Crimes_Bureau,_1939-1945
http://en.wikipedia.org/wiki/Soviet_war_crimes
http://www.nizkor.org/ftp.cgi/people/ftp.py?people//d/de-zayas.alfred/de-zaya.comments-booklist
Exhuming the Bodies of Soviet Terror
Irina Paperno
Representations, No. 75 (Summer, 2001), pp. 89-118
'Barbarossa': Surprise Attack and Communication
Amnon Sella
Journal of Contemporary History, Vol. 13, No. 3 (Jul., 1978), pp. 555-583
The Conduct of War: Soldiers and the Barbarization of Warfare
Omer Bartov
The Journal of Modern History, Vol. 64, Supplement: Resistance Against the Third Reich (Dec., 1992), pp. S32-S45