ʿilm ʾal-ʾIǧtimāʿ lil-ṣaf ʾal-ṯāliṯ ʾal-ṯānawī - Ḥabīb, Saʿad ʿabd ʾal-Salām (Maṭbaʿat Maqhuwī, 1969)