@article{Simpson, author = {Simpson, George Gaylord}, title = {Evolution, Humanity and Ethics}, series = {The Meaning of Evolution, New Haven, London (Yale University Press) 1949, pp. 282-348.}, journal = {The Meaning of Evolution, New Haven, London (Yale University Press) 1949, pp. 282-348.}, language = {en} } @article{Simpson, author = {Simpson, George Gaylord}, title = {Man's Evolutionary Future}, series = {This View of Life, New York (Harcourt, Brace and World) 1964, pp. 272-285, pp. 272-285.}, journal = {This View of Life, New York (Harcourt, Brace and World) 1964, pp. 272-285, pp. 272-285.}, language = {en} }