Columbia subject headings:
Harvard subject headings:
English language--Dialects--Nigeria.
English language--Nigeria--Foreign elements--Igbo.
English language--Nigeria.
Languages in contact--Nigeria.
Nigerian fiction (English)--History and criticism.
Pidgin English--Nigeria.
Princeton subject headings:
English language--Dialects--Nigeria.
English language--Nigeria--Foreign elements--Igbo.
English language--Nigeria.
Languages in contact--Nigeria.
Nigerian fiction (English)--History and criticism.
Pidgin English--Nigeria.