- Электронная книгаThe Myers-BriggsTM Personality System and its Place in ScienceNorbert Grygar
- Электронная книгаPutting the Pieces TogetherNorbert Grygar
- Электронная книгаDoes Transactional Analysis Extend to Personality TypeNorbert Grygar
- Электронная книгаLife Positions, States of Being, and MemoriesNorbert Grygar