Essays on the Theory of Numbers
Richard Dedekind
Dover Books on Mathematics (1)
Brainchildren: Essays on Designing Minds
Daniel Clement Dennett
Philosophy and the Social Problem
Will Durant
How to Measure Anything: Finding the Value of Intangibles in ...
Douglas W. Hubbard
Das Weltall
Ernst Wüst & Lukrez & Max Seydel
Vane Shear Strength Testing in Soils: Field and Laboratory Studies
Adrian F. Richards