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Frank K. Shuttleworth, Sexual Maturation and the Physical Growth of Girls Age Six to Nineteen, Monographs of the Society for Research in Child Development, Vol. 2, No. 5, Sexual Maturation and the Physical Growth of Girls Age Six to Nineteen (1937), pp. i+iii-v+vii-xx+1-247+249-253
Frank K. Shuttleworth (Fri,) studied this question.