ドイツとアメリカとの政治関係　1910～1939年／米国国立公文書館（NARA）所蔵　米国国務省機密文書
Records of the Dept. of State relating to Political Relations between the United States and Germany, 1910 - 1939. (D.F.711.62). NARA, RG59. 35mm silver positive microfilm 6 reels.