Memorandum, Bixel to Intelligence Division, N.T.S. - Russian Socialist Anti-Bolshevik Emigre Group, August 11, 1948, Secret (1948)
RG-319, Entry 47B G-2 Decimal File 1941-1948, Box 499, File: 319.1 6-1-48 - 10-20-48, NA, CP.