al-Istidlāl bi-al-qawāʻid al-fiqhīyah ʻinda al-Shāfiʻīyah
By: taʼlīf D. ʻAbd al-Raḥmān ibn ʻAbd Allāh ibn ʻAbd al-Qādir al-Saqqāf, raʼīs Qism al-Fiqh wa-Uṣūlihi bi-Kullīyat al-Sharīʻah wa-al-Qānūn, Jāmiʻat al-Aḥqāf bi-al-Yaman. 
Edition: al-Ṭabʻah al-ūlá. 
Publisher: Dār al-Aṣālah lil-Nashr wa-al-Tawzīʻ
Published: 2019
Place of publication: [Cairo]
Language: ara
Number of pages: 617
Subjects: Islamic law; Interpretation and construction; Shafiites
Notes: Includes bibliographical references (pages 585-608).