ボリビアの対外関係　1910～1929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 Bolivia and Other States, 1910 - 1929. (D.F.714). NARA, RG59. 35mm silver positive microfilm 18 reels with guide.