The purposes and ideals of the Mexican revolution; addresses delivered at a joint session of the American Academy of Political and Social Science and the Pennsylvania Arbitration and Peace Society, held on Friday evening, November 10, 1916, by Hon. Luis Cabrera ... Hon. Ygnacio Bonillas ... Hon. Alberto J. Pani ... [and] Hon. Juan B. Rojo ... with concluding remarks by L. S. Rowe... (Supplement to the Annals of the American Academy of Political and Social Science, January, 1917)