1
by Mill, John Stuart
Published 1869
J.B. Lippincott & co.

2
by Smith, Dorothy E.
Published 1990
Northeastern University Press

3
by Glover, Jonathan
Published 1995
Clarendon Press

4
by Balibar, Etienne
Published 1991
Verso

5
by Du Bois, W. E. B.
Published 1920
Harcourt, Brace and Howe