Merriam-Webster's Dictionary of Quotations
Merriam-Webster
Friedrich Schiller, oder, Die Erfindung des deutschen Idealismus
Rüdiger Safranski
Experiencing Mathematics: What Do We Do, When We Do Mathematics?
Reuben Hersh
The Way To Will-Power
Henry Hazlitt
Pedagogical Sketchbook
Paul Klee
Geometry of Design: Studies in Proportion and Composition
Kimberly Elam
Bunker Archaeology
Paul Virilio