1. FRUS, 1938, Volume II, Document 866, 867.5151/82
2. FRUS, 1938, Volume II, Document 867, 611.6731/387
3. FRUS, 1938, Volume II, Document 868, 611.6731/387
4. FRUS, 1938, Volume II, Document 892, 611.6731/480
5. FRUS, 1939, Volume IV, Document 922, 611.6731/542