The Theory of Pleading. (Paperback or Softback)

Theorex: The Theory of Experience (Paperback or Softback)

The Theory of Time (Paperback or Softback)

The Origin And Development Of The Quantum Theory (Paperback or Softback)

The Theory of Electrogravity (Paperback or Softback)

Theory of the Boltzmann Equation (Paperback or Softback)

Aristotle: The Theory of Metaphysics (Paperback or Softback)

The Theory of Permutable Functions (Paperback or Softback)