1
by Comte, Auguste
Published 1903
Reeves

2
by Comte, Auguste
Published 1865
Tráubner and co.

3
by Comte, Auguste
Published 1875
Longmans, Green and co.

4
by Comte, Auguste
Published 1858
J. Chapman

5
by Comte, Auguste
Published 1851
Harper & brothers

6
by Comte, Auguste
Published 1880
Belford, Clarke & co.

7
by Comte, Auguste
Published 1911
Routledge