Title: al-Wājib wa-ghayr al-wājib fī Kitāb Sībawayh
Description: Arabic language; grammar.
Subjects: Criticism and interpretation, Arabic language, Grammar, Rhetoric, Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)
People: Sībawayh, ʻAmr ibn ʻUthmān (active 8th century)