| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Grammar of the Kolokuma Dialect of Ịjọ | 978-0-521-07362-2 (0-521-07362-6) | 1968 |
| A Grammar of the Kolokuma Dialect of Ijo | 978-0-521-17526-5 (0-521-17526-7) | 2011 |
K. W. · K. Williams · K. Willink · K. Wilmes · Kay Williams · Kaye Wellings