共 50 条
- [43] LEVEL OF NONWHITE FERTILITY IN UNITED STATES 1930 AND 1920 EUGENICS QUARTERLY, 1967, 14 (04): : 265 - +
- [44] THE UNITED STATES AND THE LEAGUE OF NATIONS: 1918-1920 INTERNATIONAL JOURNAL OF ETHICS, 1933, 43 (03): : 350 - 353
- [45] The Caribbean Policy of the United States, 1890-1920 JOURNAL OF NEGRO EDUCATION, 1943, 12 (01): : 84 - 87
- [46] The United States and World Organization, 1920-1933 JOURNAL OF POLITICS, 1939, 1 (01): : 89 - 90
- [49] OCCUPATIONAL CHANGES IN THE UNITED STATES, 1850-1920 REVIEW OF ECONOMIC STATISTICS, 1930, 12 (02): : 77 - 89