| title | ISBN-13 | year of publication |
|---|---|---|
| The Learning of Language. | 978-0-13-527655-6 | 1971 |
| The New Century Handbook of Classical Geography. | 978-0-13-611954-8 | 1972 |
| The New Century Handbook of English Literature | 978-0-13-611962-3 | 1956 |
| The New Century Handbook of Greek Art and Architecture. | 978-0-13-611970-8 | 1972 |