By Simpson, George Gaylord.
New York Harcourt, Brace & World 1957 .
845 p.

By Roe, Anne.
New Haven Yale University Press 1958 .
viii, 557 p. , Revision of papers presented at the 1955 and 1956 conferences sponsored by the American Psychological Association and the Society for the Study of Evolution. 24 cm..

By Simpson, George Gaylord.
New Haven and London Yale University Press 1966 .
xv, 364 p.

By Simpson, George Gaylord.
New York Harcourt, Brace & World 1964 .
ix, 308 p. 22 cm..

By Simpson, George Gaylord.
New York Columbia University Press 1953 .
xx, 434 p. , Based on the author's Tempo and mode of evolution. 24 cm..

By Simpson, George Gaylord.
New York Columbia University Press 1961 .
247 p. 24 cm..

By Simpson, George Gaylord.
[New York] New American Library 1951 .
192 p. 18 cm..

By Simpson, George Gaylord.
New York Harcourt, Brace 1960 .
440 p. 22 cm..

By Simpson, George Gaylord.
New York Time-Life Books 1965 .
xxv, 289 p., [12] p. of plates

By Simpson, George Gaylord.
New Haven Yale University Press 1953 .
198 p.

By Simpson, George Gaylord.
Barcelona Prensa Científica 1985 .
x, 240 p. , Include Index and Glossary. (some col.).

By Simpson, George Gaylord.
New York Columbia University Press 1984 .
x, 237 p. , "With a new introduction"--Cover. | Reprint. Originally published: New York : Columbia University Press, c1944. | Includes index. 0231058470

By Beck, William Samson.
New York Harper Collins Publishers 1991 .
xxxi, 1361 p. , Rev. ed. of : Life / George Gaylord Simpson.2nd ed. 1965. 29 cm.,.
0060406038