This collection contains the research papers that Ralph Busco used to formulate his 1967 thesis. The material in this collection consists of a list of POWs names and addresses, Busco's questionnaires, returned questionnaires, correspondence, and drafts of his writings about these POWs. Some of the questionnaires were returned with photographs and detailed letters describing life in the camps. Researchers should be aware that some of the material in this collection is written in German.