サン・ペドロ移民事務所特別取調局の人物記録　1930～1936年 米国国立公文書館所蔵　入国帰化局文書
Record of Persons Held for Boards of Special Inquiry at the San Pedro, California, Immigration Office, November 3, 1930 - September 27, 1936. Records of the Immigration and Naturalization Service. NARA, RG85. 35mm silver positive microfilm 1 reel.