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Blacker, Carlos Platon (1895-1975)(1)
Burt, W.(1)
Carr-Saunders, Alexander M.(1)
Charles, Enid (1894-1972)(1)
Glass, D. V.(1)
Leybourne, Grace G.(1)
London School of Economics and Political Science. Population Investigation Committee(1)
Midwives' Institute (London)(1)