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4. C.H. van Schooneveld’s Ph.D. diploma, Columbia University, New York, September 8,1949. [Private collection] Van Schooneveld continued his studies in 1946 with a Rockefeller Fellowship to Columbia University, New York. In 1949 he was awarded the Ph.D. degree. His doctor al dissertation, A semantic analysis of the Old Russian finite preterite system was pub lished as a book in 1959 by Mouton as Vol. 7 in the Slavistic printings and reprintings series. The diploma is also signed by General Dwight David Eisenhower (1890-1969), then president of Columbia University, later president of the United States.