Books about Social problems (sorted alphabetically)
- History of Friedrich II of Prussia — Volume 09 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 10 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 11 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 12 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 13 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 14 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 15 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 16 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 17 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 18 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 19 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 20 Thomas Carlyle
- History of Friedrich II of Prussia — Volume 21 Thomas Carlyle
- Human Work Charlotte Perkins Gilman
- Is civilization a disease? Stanton Coit
- Latter-Day Pamphlets Thomas Carlyle
- Man from Mars: His Morals, Politics and Religion William Simpson
- Mankind in the Making H. G. Wells
- Mankind in the Making H. G. Wells
- Mind in the Making: The Relation of Intelligence to Social Reform James Harvey Robinson
- Modern Symposium G. Lowes Dickinson
- Nature and Culture Harvey Rice
- New Optimism H. De Vere Stacpoole
- Past and Present Thomas Carlyle
- Past and Present Thomas Carlyle