著者
Ajayi, J. F. Ade
1
Banning, Emile
1
Boateng, E. A.
1
Brant, R. W. 1852-1934
1
Crowder, Michael, 1934-1988
1
Dunstan, Elizabeth
1
Fage, J. D.
1
Falola, Toyin,
1
Great Britain
1
Hertslet, Edward, Sir, 1824-1902
1
Kwamena-Poh, M. A.
1
Lester, Alan
1
Longman (Firm)
1
Newman, Alick
1
Richards, Paul, 1945 May 14-
1
Sherwood, H. L. 1863-1946
1
Unangst, Matthew,
1
Usman, Aribidesi,
1