インディアン局アラスカ分局統計資料および年次報告 1912～1941年　米国国立公文書館所蔵
Statistical Records and Reports of the Alaska Division of the Bureau of Indian Affairs, 1912 - 1941. NARA RG75: Records of the Bureau of Indian Affairs. Records of the Alaska Division of the Bureau of Indian Affairs. 35mm silver positive microfilm 12 reels with with guide.