00514cam a22001931 4500 6913185 BD-DhUL 20160530122852.0 750930s1941 nyu 000 0 eng DLC BD-DhUL BD-DhUL 341.1 HEP Heymann, Hans 1885- Plan for permanent peace / Hans Heymann New York, Harper & brothers, 1941. xx, 315 p. : ill. ; 24 cm. Peace. World politics. ddc BK 72410 72410