| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Public conversations: A workbook | 978-0-07-054758-2 | 1993 | |
| Public Conversations: Building Skills & Confidence | 978-0-07-054967-8 | 1994 | Robert Jeffers · Patricia Aakhus |
| Public Conversations, Building Skills and Confidence | 978-0-07-338869-4 | 2007 | |
| Public Conversations: Building Skills and Confidence | 978-0-07-240066-3 | 1999 | Robert Jeffers |
| Public Conversations: Building Skills and Confidence | 978-0-07-289935-1 | 1999 | " |
| Public Conversations Building Skills and Confidence | 978-0-07-057284-3 | 1996 | Robert Jeffers · Patricia Aakus |
H.S. · Helen Raphael Sands · Helen Sands and Robert Jeffers · Helen Santiz · Helen Sauntson · Helen Schmitz · Helen Smits · Helena Schnüttgen · Helene Schmitz · Hellen Sands · Holm Sundhausen · Holm Sundhaussen