National Archives and Records Administration II, Records of the Department of State relating to internal affairs of Czechoslovakia 1910-1944, Washington 1982 (Mikrofilm-Edition), Doc. 860F.4016/68. Original in English.
Archivio Storico Diplomatico del Ministero degli Affari Esteri, AG Uff IV. Posizione S.E. 27.869, busta R, fasc. Romania, copy: busta 17 (1941-1942). Original in Italian.