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1. Personality in the making

4. Applied psychology

5. Applied psychology

17. Birth control

20. Father Penn and John Barleycorn

21. Children astray

24. A short history of science

26. An introduction to chemical German

45. Brooke bluebonnet broadcast

49. The effect of tropical sunlight on the development of bones of children in Puerto Rico: a roentgenographic and clinical study of infants and young children with special reference to rickets and related factors