Robert Sutherland Rattray
S. Osei Owusu
W. Bruce Willis
Kwesi Yankah
Daniel Oduro-Mensah
Florence Abena Dolphyne
Kofi Agyekum
Dennis M. Warren
Alfred Burdon Ellis
O. Kwame Osei
J. O. Anane
J. Gyekye-Aboagye
Jenny Lee
Richard Arkaifie
Yaw Sekyi-Baidoo
Epelboin A.
Ghana. Bureau of Ghana Languages
R. S. Rattray