Columbia subject headings:
Africa, Sub-Saharan--Languages.
African philology.
Black people--Africa, Sub-Saharan--Languages.
Comparative linguistics.
Coptic language.
Egyptian language.
Historical linguistics.
Harvard subject headings:
African languages--Grammar, Comparative--Egyptian.
Comparative linguistics--Africa.
Egyptian language--Grammar, Comparative--African.
Historical linguistics--Africa.
Princeton subject headings: