| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Keys to Conflict Resolution: Proven Methods for Resolving Disputes Voluntarily | 978-1-56858-201-6 (1-56858-201-3) | 2001 |
| The Keys to Conflict Resolution: Proven Methods of Resolving Disputes Voluntarily | 978-1-56858-134-7 (1-56858-134-3) | 1999 |
T/K · T W · Theodore Kheel · Theodore W. · W. K.