Complete Works of Xenophon (Illustrated) (Delphi Ancient Classics)
Xenophon
How to Solve It: A New Aspect of Mathematical Method
George Polya
Electricity and matter
Thomson, J. J. (Joseph John), Sir, 1856-1940
The Logic of Chemical Synthesis
Corey E.G., Chelg X.
Philosophy and Theurgy in Late Antiquity
Algis Uzdavinys & John F. Finamore