CK-12 Trigonometry - Second Edition
Ck-12 Foundation
Philosophy: who needs it
Ayn Rand
Hegel's Rabble: An Investigation Into Hegel's Philosophy of ...
Frank Ruda
Fichte: The Self and the Calling of Philosophy, 1762-1799
Anthony J. La Vopa & Anthony J. Lavopa
Ethics, Exegesis and Philosophy: Interpretation After Levinas
Richard A. Cohen
Secrets of Mental Math: The Mathemagician's Guide to Lightning ...
Arthur T. Benjamin & Michael Shermer
Geometric Data Structures for Computer Graphics
Elmar Langetepe & Gabriel Zachmann
The Foundations of Arithmetic: A Logico-Mathematical Enquiry ...
Gottlob Frege