Columbia subject headings:
Harvard subject headings:
Bantu languages--Grammatical categories.
Bantu languages--Morphology.
Bantu languages--Verb.
Cushitic languages--Grammatical categories.
Cushitic languages--Morphology.
Cushitic languages--Verb.
Princeton subject headings:
Bantu languages--Grammatical categories.
Bantu languages--Morphology.
Bantu languages--Verb.
Cushitic languages--Grammatical categories.
Cushitic languages--Morphology.
Cushitic languages--Verb.