Most Popular Books
- Education in Parapsychology: Proceedings, International Conference, San Francisco, August 14-16, 1975
- The Repeatability Problem in Parapsychology
- Parapsychology and the Sciences: Proceedings of the International Conference, August, 23-25, 1972
- The Philosophy of Parapsychology: Proceedings of an International Conference Held in Copenhagen, Denmark, August 25-27, 1976
- Parapsychology's Second Century
