Logotherapy: Principles and Methods (Paperback or Softback)

Music and the 7 Hermetic Principles (Paperback or Softback)

Principles and Power of Vision (Paperback or Softback)

Principles and Maxims of Jurisprudence (Paperback or Softback)

Principles and Methods of Teaching Geography (Paperback or Softback)

The Principles of Communism (Paperback or Softback)

Principles and Methods of Physical Education and Hygiene (Paperback or Softback)