Himmler's Auxiliaries : The Volksdeutsche Mittelstelle and the German national minorities of Europe / V.O. Lumans. - North Carolina, 1993. - p. 189
Heinrich Himmler created in early 1939-10 the Einwandererzentralstelle as the main processing office under the auspices of Sicherheitspolizei and Sicherheitsdienst. The EWZ included representatives of various Reich, party and SS offices involved in the classification and replacement of immigrants.
Einwandererzentralstelle