Herbert Spencer
472 books • 17 series
Cambridge Library Collection - Philosophy
Cambridge Library Collection - Religion
Cambridge Library Collection - Science and Religion
Cambridge Texts in the History of Political Thought
Classics
Classics in Anthropology
Collected Works
the Concluding Portion of
HardPress Classics
Heritage of Society S.
History of Psychology
Iconoclastes
Principles of Biology
Sciences Sociales
Volume 4
Book #1872: The Principles of Psychology
Volume 8
Book #1897: The Principles of Sociology