The unanimity rule and the League of nations / by Cromwell A. Riches. Riches, Cromwell A. (Cromwell Adams), 1903- League of Nations. Council Rules and practice. League of Nations. Assembly Rules and practice. League of Nations. Covenant. Article 5. 341.12 RIU Bibliography: p. 218-220. Baltimore : The Johns Hopkins Press, 1933. 1933. 1933 Text xi, 244 p. ; eng Johns Hopkins University studies in historical and political science. Extra volumes. New series ; no. 20 Johns Hopkins University studies in historical and political science. Extra volumes ; new ser., no. 20.