16 Ways to Love Your Lover : Understanding the 16 Personality Types So You Can Create a Love That Lasts Forever
Otto Kroeger, Janet M. Thuesen
Hardcover / Published 1994
Paperback / Published 1996

I'm Not Crazy, I'm Just Not You : The Real Meaning of the 16 Personality Types
Roger R. Pearman, Sarah C. Albritton / Paperback / Published 1997

Beside Ourselves : Our Hidden Personality in Everyday Life
Naomi L. Quenk / Paperback / Published 1994