| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Las Relaciones Personales | 978-84-86344-41-2 (84-86344-41-7) | 1993 |
| Overcoming Shyness | 978-0-07-050571-1 (0-07-050571-3) | 1981 |
| Overcoming Shyness: Practical Scripts for Everyday Encounters | 978-0-07-050570-4 (0-07-050570-5) | 1979 |
Barbara Paul · Barbara Pauli · Barbara Paull · Barbara Piel · Barbara Pöll · Barbara Poole · Barbara Schieffelin Powell