| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Biologia moderna: 1 | 978-88-7083-035-4 | A. Towle · Onorato Verona | |
| Biologia moderna: 2 | 978-88-7083-036-1 | A. Towle · Onorato Verona | |
| Modern Biology: 1973 | 978-0-03-091337-2 | 1973 | A. Towle |
| Modern Biology | 978-0-03-013682-5 | 1985 | " |
| Modern Biology | 978-0-03-071292-0 | 1985 | |
| Modern Biology | 978-0-03-056031-6 | 1981 | |
| Modern Biology | 978-0-03-017751-4 | 1977 | A. Towle |
| Modern Biology | 978-0-03-017876-4 | 1977 | Albert Towle · Myra E. Madnick |
| Modern Biology | 978-0-03-064975-2 | 1969 | Albert Towle |
| Modern Biology: Biology Investigations | 978-0-03-071340-8 | 1969 | " |
| Modern Biology: Teacher's Edition | 978-0-03-071293-7 | 1985 | |
| Modern Biology/Teacher's Edition | 978-0-03-091338-9 | 1977 | |
| Modern Health | 978-0-03-047306-7 | 1980 | Cloyd J. Julian |
| Modern Health | 978-0-03-084991-6 | 1971 | C.J. Julian |
H-O. · H. Otto · J. H. · J.H. Otto · J. Otto · James H. · James Howard Otto · James Otto