Civilian Conservation Corps (U.S.). Company 2133. (1938). The boreas. 2133rd Co..
Lua i Stíl Chicago (17ú heag.)Civilian Conservation Corps (U.S.). Company 2133. The Boreas. Deaver, Wyo.: 2133rd Co., 1938.
Lua MLA (8ú heag.)Civilian Conservation Corps (U.S.). Company 2133. The Boreas. 2133rd Co., 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.