   Sewall Wright's pluralist view of evolution was presented in several places, with his 1931 paper “Evolution in Mendelian Populations” and the 1977 book “Evolution and the Genetics of Populations, Volume 3 Experimental Results and Evolutionary Deductions” being the best known. The paper has received over 3,400 citations; over 3,000 have occurred since 1975, while the book has received over 800 citations since 1977 (Web of Science, June 2010).