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- [21] ELEMENTS OF VITAL STATISTICS - BENJAMIN,B MILBANK MEMORIAL FUND QUARTERLY-HEALTH AND SOCIETY, 1960, 38 (03): : 290 - 292
- [23] THE PAPERS OF FRANKLIN,BENJAMIN - FRANKLIN,B ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1961, 333 (JAN): : 185 - 186