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- [2] Income from Independent professional Practice CANADIAN JOURNAL OF ECONOMICS & POLITICAL SCIENCE, 1946, 12 (04): : 538 - 539
- [3] Income from Independent Professional Practice AMERICAN ECONOMIC REVIEW, 1946, 36 (04): : 682 - 683
- [4] Income from Independent Professional Practice ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1946, 247 : 202 - 202