PAN/EU-14 PolandDocument date: 
Content and Structure
Correspondence from and to R. Coudenhove-Kalergi, including A. Lednicki and M. Weinreb.
Conditions of Access and Use
English, French, German
Russian State Military Historical Archive, 105005, Moscow, 2 nd Baumanskaya Str., 3. email@example.com
Some documents date also from 1933.