Gerard R. Wolfe · Gerhard Wolf · Gerhard Wolff · Gerhart Wolff
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| New York: 15 Walking Tours | 978-0-07-141185-1 (0-07-141185-2) | 2003 | |
| New York City Architecture in the Palm of Your Hand | 978-0-07-143050-0 (0-07-143050-4) | 2003 | Gerard R. Wolfe |