Civilian Conservation Corps (U.S.). Company 857. (1935). 857-log. Co. 857, C.C.C..
Lua i Stíl Chicago (17ú heag.)Civilian Conservation Corps (U.S.). Company 857. 857-log. Denison, Tex.: Co. 857, C.C.C., 1935.
Lua MLA (8ú heag.)Civilian Conservation Corps (U.S.). Company 857. 857-log. Co. 857, C.C.C., 1935.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.