| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Environmental Health | 978-0-12-567850-6 (0-12-567850-9) | 1971 | |
| Environmental Health, Second Edition | 978-0-12-567860-5 (0-12-567860-6) | 1980 | |
| Environmental Science | 978-0-02-303191-5 (0-02-303191-3) | 1993 | Stanley H. Anderson · Ronald E. Beiswenger |
P.P. · P W. · P. Walton · Paul Walton Purdom · Paul Walton Purdom Jr. · W.P.