ʻUmar, Ḥusayn. Naẓarīyat al-qīmah, taʼlīf Ḥusayn ʻUmar. - al-Ṭabʻah al-thālithah. - [al-Qāhirah] Dār al-Nahḍah al-ʻArabīyah, 1964. - 337, [2] p. illus. 24 cm. Bibliography: p. [339] LCCN: ne 64001903 Subjects--Topical Terms: Value. LC Class. No.: HB201 / .U5 1964