The Third Crusade 1191: Richard the Lionheart, Saladin and the ...
David Nicolle
Reasoning in Science and Mathematics
Richard L. Epstein
The Scientific Revolution: An Encyclopedia
William E. Burns
Mystery Teachings From the Living Earth: An Introduction to ...
John Michael Greer
Im Weinberg des Textes: als das Schriftbild der Moderne entstand ...
Ivan Illich
The Energy Machine of Joseph Newman: An Invention Whose Time ...
Joseph Westley Newman