Columbia subject headings:
Arabic poetry--622-750--History and criticism.
Islamic Empire--History.
Riddah Wars.
Harvard subject headings:
Arabic poetry--622-750--History and criticism.
Islamic Empire--History--622-661.
Riddah Wars--Literature and the wars.
Princeton subject headings:
Arabic poetry--622-750--History and criticism.
Islamic Empire--History--622-661.
Riddah Wars.