Penn State University Press · Rowman & Littlefield Publishers
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Drug Control Policy: Essays in Historical & Comparative Perspective | 978-0-271-02560-5 (0-271-02560-3) | 1992 |
| Drugs in the Western Hemisphere: An Odyssey of Cultures in Conflict | 978-0-8420-2422-8 (0-8420-2422-0) | 1996 |
| Interpolations in the Pauline Letters | 978-1-84127-198-9 (1-84127-198-5) | 2002 |
I. Walker · O.I. · O.W. · W.W. · W. Walker · William I · William, III · William O. Walker · William W. · William Walker