Man in society : preface to sociology and the social sciences /

ανά Simpson, George
Έκδοση 1954

The meaning of evolution : a study of the history of life and of its significance for man /

ανά Simpson, George Gaylord
Έκδοση 1967

The meaning of evolution /

ανά Simpson, George Gaylord
Έκδοση 1959

The geography of evolution : collected essays /

ανά Simpson, George Gaylord
Έκδοση 1965

The division of labour in society /

ανά Durkheim, Émile, 1858-1917
Έκδοση 1960

The life and letters of Charles Darwin : including an autobiographical chapter /

ανά Darwin, Francis
Έκδοση 1959

Suicide : a study in sociology /

ανά Durkheim, Émile, 1858-1917
Έκδοση 1962