al-Ghazali, al-Mustasfa min Ilm al-Usul, vol. 1 (al-Maktaba al-Tijariyya al-Kubra, Cairo, 1356/1937)

الغزالي، المستصفى من علم الأصول، الجزء الأول ⁦(المكتبة التجارية الكبرى، القاهرة، 1356هـ/1937م)⁩

Volume 1 of al-Mustasfa min Ilm al-Usul by Hujjat al-Islam Abu Hamid Muhammad ibn Muhammad ibn Muhammad al-Ghazali, first printing 1356 AH / 1937, sold by al-Maktaba al-Tijariyya al-Kubra at the start of Muhammad Ali Street, Cairo, owned by Mustafa Muhammad, and printed at its press; it contains the author's preface, the logical introduction, Pole 1 on rulings and Pole 2 on the proofs of rulings, including the four 'supposed sources': the law of earlier prophets, the Companion's opinion, istihsan and istislah.