Materials date primarily from 1940-1945, and consists of German military artifacts, United States Department of War manuals and publications, English language newspapers from the United States, England, and Hong Kong, as well as newspapers from Germany, France, and Belgium printed in the native languages. Other materials include Command and General Staff School handouts and their corresponding maps and charts, numerous publications intended for United State servicemen stationed in occupied Germany, and personal and biographical materials concerning Col. Roberts. While most of the collection dates from 1940-1945 some items, primarily biographical and personal documents, date from 1915-1930.