Prior to the all-out Soviet invasion of the Baltic States scheduled for the summer of 1940, the secret Molotov-Ribbentrop Pact between Nazi Germany and the Soviet Union permitted Baltic Germans to leave prior to the event.
Approximately 65,000 Baltic Germans were resettled from Estonian and Latvia to the Warthgau and other Polish areas that were conquered by Nazi Germany during the war.
Both the Estonian and Latvian governments published books listing the names of those who left. The entries lists the persons' names, date of birth, birth places and addresses. These books can be found in the respective national libraries.