Robert J. Hanyok, CENTER FOR CRYPTOLOGIC HISTORY NATIONAL SECURITY AGENCY (2005). "Eavesdropping on Hell: Historical Guide to Western Communications Intelligence and the Holocaust, 1939-1945"(PDF) (Second ed.). National Security Agency, United States Government. Retrieved 2011-03-20.
UNITED STATES CRYPTOLOGIC HISTORY, Series IV, Volume 9
The message is on page 52
"Decrypt of Police message [National Archives and Records Administration] (NARA), RG 457, HCC, Box 1386)"
Hanyok, NSA, eavesdropping.pdf, Page 61, "German Police Decrypts, ZIP/G.P.D.353/14.9.41. Decrypt No.1 is from the Senior Commander of the SS and Police in Southern Russia to Heinrich Himmler, the Chiefs of the Order and Secret Police and the Himmler’s staff. (Source: [National Archives and Records Administration] (NARA), RG 457, Box 1386)"
