| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Modern Age: Literature | 978-0-03-055616-6 (0-03-055616-3) | 1981 |
| The modern age: Literature | 978-0-03-089801-3 (0-03-089801-3) | 1976 |
| The modern age;: Literature | 978-0-03-073390-1 (0-03-073390-1) | 1969 |
Lennart Levi · Leonard L. · Leonard Leff · Leonard Levy · Leonhard Leeb