フィラデルフィアの中国系移民裁判記録　1895～1920年 入国帰化局文書　米国国立公文書館所蔵
Case Files of Chinese Immigrants from District No. 4 (Philadelphia) of the Immigration and Naturalization Series, 1895 - 1920. Records of the Immigration and Naturalization Service. NARA, RG85. 35mm silver positive microfilm 51 reels with guide.