| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Biolog: A Community Context | Paperback | 978-0-538-66751-7 | 1996 | |
| Biology: A Community Context | " | 978-0-538-68573-3 | 1998 | John E. Penick · Speziale |
| Biology: A Community Context | Hardcover | 978-0-538-65208-7 | 1997 | |
| Laboratory Investigations in Biology | Paperback | 978-0-02-369861-3 | 1982 | |
H LEONARD · W H · W.L. · William H. · William H. Leonard Ph.D. · William L. · William Leonard