- Germany 2000 Years: The Rise and Fall of the "Holy Empire" (Germany)
- Germany: 2000 Years (Germany)
- The Existentialist Revolt; The Main Themes and Phases of Existentialism: Kierkegaard, Nietzsche, Heidegger, Jaspers, Sartre, Marcel.
- A Realistic PhilosophyThe Perennial Principles Of Thought And Action In A Changing World
- Germany : 2000 Years. Volume 2. Revised Edition
- Martin Luther
- Scott M. Stanley
- Robert M. Quackenbush
- Daniel Trathen
- Savanna McCain
- John Cornwell
- Robert H. Eisenman
- B.H. Liddell Hart
- Radu Florescu
- Frederic C. Tubach
- Martha O'Connor
- Charles F. Pfeiffer
- Mary Fulbrook
- Dennis DiClaudio
- Paul Althaus
- Peggy Teeters
- Franckforter
- Kurt Reinhardt
- Bruce McClelland
- Gerhard Kittel