| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| African Voices: An Introduction to the Languages and Lingistics of Africa | 978-0-19-571681-8 (0-19-571681-7) | 2000 | Kembo-Sure | |
| Tied Tongues: The African Renaissance as a Challenge for Language Planning | 978-3-8258-7180-2 (3-8258-7180-0) | 2004 | H Ekkehard Wolff · Neville Alexander · Ayo Bamgbose |