TY - BOOK A1 - Huizinga, J. T1 - Homo ludens, Boston (The Beacon Press) 1950. Y1 - 1950 N1 - Notes in the copy ER - TY - BOOK A1 - Huizinga, J. T1 - Erasmus and the age of reformation, New York (Harper & Brothers) 1957. Y1 - 1957 ER -