Rippelmeyer. The Civilian Conservation Corps in Southern Illinois, 1933-1942. Southern Illinois University Press.
Dyfyniad Arddull ChicagoRippelmeyer. The Civilian Conservation Corps in Southern Illinois, 1933-1942. Southern Illinois University Press.
Dyfyniad MLARippelmeyer. The Civilian Conservation Corps in Southern Illinois, 1933-1942. Southern Illinois University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.