The Trail of Gnosis: A Lucid Exploration of Gnostic Traditions
Judith Mann
A Study of Gurdjieff's Teaching
Kenneth Walker
Change in View: Principles of Reasoning
Gilbert Harman
A Glossary of English Grammar
Geoffrey N. Leech
Metaphor and Metonymy in Comparison and Contrast
René Dirven & Ralf Pörings
Dante the Philosopher
Etienne Gilson
Genetics
Thomas A. Shannon