Mendenhal, Thomas C. Ideas and institutions in European history 800-1715 : select problems in historical interpretation / By Th. C. Mendenhal, Basil D. Henning , A. S. Foord. - New York : Henry Holt and Company, 1949. - XIII, 369 p. ; 25 cm. Notes: p. 361-369 Subjects--Geographic Terms: Europa--History