Quodlibetal Questions 1 and 2
Thomas Aquinas
A Dictionary of Space Exploration
Stephen O'Meara & E. Julius Dasch
Oxford Quick Reference Online (1)
Heaven, the Heart's Deepest Longing
Peter J. Kreeft
The Qur'an: An Encyclopedia
Oliver Leaman
Critique of Religion and Philosophy
Walter A. Kaufmann
Jazz Chords & Progressions: For "Serious" Guitarists Only
Robert M. Roetker