| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Communication in Development | 978-0-12-433459-5 (0-12-433459-8) | 2012 | ||
| Differentiation and Development / Differenzierung und Entwicklung: Part 1 / Teil 1 | 978-3-662-35445-2 (3-662-35445-4) | 1965 | Fredrick Taylor Addicott · Wilhelm Ruhland | |