Columbia subject headings:
Harvard subject headings:
Arabic language--Grammar, Comparative--English.
Arabic language--Phonology, Comparative--English.
Arabic language--Verb.
Comparative linguistics.
English language--Grammar, Comparative--Arabic.
English language--Phonology, Comparative--Arabic.
English language--Verb
Grammar, Comparative and general--Verb.
Systemic grammar.
Princeton subject headings:
Arabic language--Grammar, Comparative--English.
Arabic language--Verb.
English language--Grammar, Comparative--Arabic.
English language--Verb.
Systemic grammar.