Mental tests in the American army / compiled and ed. by Clarence S. Yoakum and Robert M. Yerkes Amerika en Europa : economische beschouwingen / door A.H. Lijdsman ; met een voorw. van M.W.F. Treub united states army in world war ii army and industrial manpower / by Byron Fairchild and Jonathan Grossman Army baker / prepared under direction of the Quartermaster General - United States Army Training Manual Time : the weekly newsmagazine