Columbia subject headings:
Arabic language--Grammar--Early works to 1800.
Sībawayh, ʻAmr ibn ʻUthmān, active 8th century. Kitāb.
Harvard subject headings:
Arabic language--Grammar.
Grammar, Comparative and general.
Sībawayh, ʻAmr ibn ʻUthmān, active 8th century. Kitāb.
Princeton subject headings:
Arabic language--Grammar--Early works to 1800.
Sībawayh, ʻAmr ibn ʻUthmān, active 8th century. Kitāb.