Heinemann · Oxford University Press
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Conversation English | Hardcover | 978-0-435-94500-8 (0-435-94500-9) | 1994 |
| Yoruba Proverbs: Their Meaning and Usage | " | 978-0-19-646023-9 (0-19-646023-9) | 1969 |
| Yoruba Proverbs: Their Meaning and Usage | Paperback | 978-0-19-646018-5 (0-19-646018-2) | 1968 |