'Abqariyat'Umar ibn al-Khattab radiyallah'anhu fi al-idarah al-maliyah - al-Qaysi, Kamal Sikar ([Dubayy] : Da'irat al-Shu'un al-Islamiyah wa al-'Amal al-Khayri, 2007)
Originally presented as author's thesis - M.A, Jami'at Baghdad, 1993
Keywords: Umar ibn al-Khattab, -- Caliph, -- d. 644 -- Contributions in public finance; 'Umar ibn al-Khattab, -- Caliph, -- d. 644 -- Views on Economics; Finance, Public -- Islamic Empire; Charitableuses, trusts and foundations (Islamic law) -- Islamic Empire