Books by Efiong U. Aye
Modern Efịk orthography
Modern Efịk orthography
The Efik people
The Efik people
Akpabuyo in transition
Akpabuyo in transition
A learner's dictionary of the Efịk language
Presbyterianism in Nigeria
Presbyterianism in Nigeria
Hope Waddell Training Institution
Old Calabar through the centur
Old Calabar through the centuries