Documentation of the Reichsarchiv (German Reich Archive) from the Osoby Archive in Moscow, 1921-1945 The main documentation: correspondence regarding matters of transmission or photographing of archival material from the countries occupied by Germany (mainly Poland and Belgium, and in smaller quantities, France and Holland) to archives in Germany itself. In some of the cases, the files also contain archival materials such as those from the World War I period, dealing with the German occupation of that particular country. There are files from the early 1920s and 1930s related to Belgian material, as well as to a public debate with Belgian historians regarding the conduct of the German Army in Belgium during World War I. Additionally, in the collection there is a file containing anti-Hitler propaganda materials, and another file from the Volkstum und Archiv Department of the German regime in Belgium containing material related to the German occupation of Belgium during World War II. The file contains, among other items, details regarding contacts with supporters of Nazi Germany in Belgium and economic data.