| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| An African Popular Literature: A Study of Onitsha Market Pamphlets | Paperback | 978-0-521-09744-4 | 2010 |
| AN AFRICAN POPULAR LITERATURE: A STUDY OF ONITSHA MARKET PAMPHLETS | Hardcover | 978-0-521-20015-8 | 1973 |
| Culture, Tradition and Society in the West African Novel | Paperback | 978-0-521-09876-2 | 1975 |
| Culture, Tradition and Society in the West African Novel | Hardcover | 978-0-521-20525-2 | 1975 |