Amerika Serikat, Zona Terusan Panama, daftar Catatan Pekerjaan dan Pelayaran, 1905-1937

"United States, Panama Canal Zone, Employment Records and Sailing lists, 1905-1937." Database with images. FamilySearch. http://FamilySearch.org : 8 December 2025. Citing NARA record group 185. National Personnel Records Center, St. Louis, Missouri.