Columbia subject headings:
Arabic language--Grammar.
Sībawayh, ʻAmr ibn ʻUthmān, active 8th century. Kitāb.
Harvard subject headings:
Arabic language--Grammar.
Sībawayh, ʻAmr ibn ʻUthmān, active 8th century. Kitāb.
Princeton subject headings:
Arabic language--Grammar.
Sībawayh, ʻAmr ibn ʻUthmān, active 8th century. Kitāb.