“C.C. Hsiung Papers” contains correspondence on personal and academic matters, drafts and manuscripts of his publications, syllabi, lectures and mathematical research notes of Lehigh University Professor of Mathematics who was the founder and the chief editor of the Journal of Differential Geometry. The collection also contains books and reprints of articles, and recommendation letters and resumes of Chinese scholars who were sending applications to American colleges. There are also a few items regarding his family. The collection, especially his correspondence and mathematical notes, contains documents in English and Chinese. In some cases both languages can be found in the same document. There are also a very few correspondence in German and French.