Journal of Political Economy 1916 24(7), 625-693

Journal of Political Economy 1916 24(2), 126-157

Journal of Political Economy 1913 21(2), 171-171

Journal of Political Economy 1913 21(6), 500-522

Journal of Political Economy 1911 19(4), 269-308 open access

Journal of Political Economy 1910 18(3), 197-216

Journal of Political Economy 1910 18(5), 345-380

Journal of Political Economy 1910 18(2), 97-113

Journal of Political Economy 1910 18(7), 513-524

Journal of Political Economy 1904 12(3), 403-408