| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Phylogenetic Systematics | Paperback | 978-0-252-06814-0 (0-252-06814-9) | 1999 | Willi Hennig · Rainer Zangerl |
| Phylogenetic Systematics | Hardcover | 978-0-252-00745-3 (0-252-00745-X) | 1979 | Willi Hennig · Rainer Zangerl |