5 public-domain matches

War And Morals

Cover of Dieu et mon droit

Dieu et mon droit

Unknown author

Cover of Vom Kriege

Vom Kriege

Carl von Clausewitz

Cover of The Beautiful and Damned

The Beautiful and Damned

F. Scott Fitzgerald

Cover of Evolution and ethics

Evolution and ethics

Thomas Henry Huxley, James Paradis, George C. Williams

Cover of Moral philosophy

Moral philosophy

Joseph Rickaby