Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Potter, Robert G.', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 1
    The third child : a study in the prediction of fertility /
    gan Westoff, Charles F.
    Cyhoeddwyd 1963
    A study and analysis of the results of a survey conducted in 1960 by National Analysts, inc., Philadelphia, prepared by members of the Office of Population Research of Princeton University.
    Awduron Eraill: “...Potter, Robert G....”
    Llyfr
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