The Enneagram - A Lecture by Georges Ivanovich Gurdjieff
Georges Ivanovich Gurdjieff
Electromagnetic Surface Waves: A Modern Perspective
John Anthony Polo & Tom G. Mackay & Akhlesh Lakhtakia
Subnormal Subgroups of Groups
John Carson Lennox & Stewart Edward Stonehewer
Deluxe Encyclopedia of Piano Chords
Bob Kroepel
Encyclopedia of Christian Theology
Jean-Yves Lacoste
Philosophy of Logic
Dale Jacquette
General Philosophy of Science: Focal Issues
Theo A. F. Kuipers