TY - JOUR A1 - Pearson, K. A1 - Lee, A. A1 - Bramley-Moore, L. T1 - Mathematical contributions to the theory of evolution: VI: Genetic (reproductive) selection: Inheritance of fertility in man, and of fecundity in thoroughbred racehorses Y1 - 1899 DO - 10.1098/rsta.1899.0006 VL - 192 ER -