Books by Frank Traver De Vyver:
Books in the extended shelves:
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De Vyver, Frank Traver, 1904-: Development of economic society (D.C. Heath and company, 1946), also by George Matthews Modlin (page images at HathiTrust)- De Vyver, Frank Traver, 1904-: Development of economic society (Little, Brown and Co., 1937), also by George Matthews Modlin (page images at HathiTrust)
Find more by Frank Traver De Vyver at your library, or elsewhere.