The Edinburgh Encyclopedia of Continental Philosophy
Simon Glendinning
The Acorn Principle
Jim Cathcart
Content and Modality: Themes From the Philosophy of Robert Stalnaker
Judith Thomson & Alex Byrne
CK-12 Trigonometry - Second Edition
Ck-12 Foundation
Mathematics of Fuzzy Sets and Fuzzy Logic
Barnabas Bede
Adam Smith
James R. Otteson