Journal of Political Economy 1945 53(1), 73-78

Journal of Political Economy 1939 47(1), 1-29

Journal of Political Economy 1931 39(5), 685-686

Journal of Political Economy 1928 36(6), 662-685

Journal of Political Economy 1928 36(5), 529-559

Journal of Political Economy 1925 33(1), 115-117

Journal of Political Economy 1924 32(6), 726-730

Journal of Political Economy 1920 28(9), 735-753

Journal of Political Economy 1917 25(6), 521-541

Journal of Political Economy 1914 22(3), 253-267