Journal of Political Economy 1941 49(6), 797-816

Journal of Political Economy 1938 46(1), 124-126

Journal of Political Economy 1932 40(5), 691-693

Journal of Political Economy 1931 39(6), 814-816

Journal of Political Economy 1925 33(2), 256-256

Journal of Political Economy 1925 33(5), 554-557

Journal of Political Economy 1925 33(5), 561-562

Journal of Political Economy 1924 32(1), 133-135

Journal of Political Economy 1923 31(5), 606-636

Journal of Political Economy 1922 30(4), 590-593 open access