'Umar ibn 'Abd al-'Azīz.
Publisher: Dār al-'Arakīyah lil-ṭikā'ah wa-al-nashr wa-al-tawzī'
Published: 1968
Place of publication: Bayrūt
Language: ara
Number of pages: 64
Subjects: ʻUmar -- II, -- Caliph, -- d. 720.