ʿUmar, Ḥusayn

Referred to in

Arnold, H.. Maʿūnat al-Duwal al-Nāmiya: Dirāsat Muqārana. Cairo: Maktaba al-Ḥadītha, 1965.

Smuts, Robert W.. al-Marʾa wa-l-ʿAmal fī Amrīkā. N/A: Maktabat al-Nahḍa al-ʿArabiyya, 1961.

ʿUmar, Ḥusayn. Al-Rafāhiyya al-Iqtiṣādiyya: Baḥth Fī al-Usas al-ʿIlmiyya wa-l-Taṭbīqāt al-ʿAmaliyya li-Rafāhiyyat al-Fard wa-l-Mujtamaʿ. Cairo: Dār al-Fikr al-ʿArabī, 1999.

Ward Jackson of Lodsworth, Barbara. al-Umam al-Ghaniyya wa-l-Umam al-Faqīra . Cairo: Maktabat al-Anjlū al-Miṣriyya, 1966.