- Type talk at workOtto Kroeger
- Type talk at workOtto Kroeger, Janet M. Thuesen et al.
- Type Talk at Work (Revised)Otto Kroeger
- 16 ways to love your loverOtto Kroeger
- Type talkOtto Kroeger, Janet M. Thuesen
- Type talkOtto Kroeger
- Type talk at work, how the 16 personality types determine your success on the jobOtto Kroeger
- Type talk, or, How to determine your personalitytype and change your lifeOtto Kroeger