waqf in name of ʻAbd al-Bāqī al-Bakrī al-Ṣiddīqī Sibṭ Āl al-Ḥasan (عبد الباقي البكري الصديقي سبط آل الحسن / d.1892), shaykh of the Bakrīyah order and incumbent to niqābat al-ashrāf in Egypt during the years 1880-1891 ; see F. de Jong, Ṭuruq and Ṭuruq-linked institutions in Nineteenth century Egypt: a historical study in organizational dimensions of Islamic mysticism (Leiden: E. J. Brill, 1978), Ch.3 (pp.96 ff.), Appendix VII-IX, etc.

CBL Ar 4458 several folios

University of Michigan Isl. Ms. 942 (pp.1, 59, 118, 214, 215, 326, 335, 454, 561, etc.) University of Michigan Isl. Ms. 943 (pp.3, 41, 123, 183, 221, 264, 265, 286, 316, 324, 344, 362, 368, 376, 380) University of Michigan Isl. Ms. 952 (pp.1, 36 [very legible], 60)

usually accompanied in volume by large circular seal impression (usually blue ink) for ʻAbd al-Bāqī al-Bakrī al-Ṣiddīqī Sibṭ Āl al-Ḥasan (عبد الباقي البكري الصديقي سبط آل الحسن / d.1892) reading "هذا من كتب السيد عبد الباقي البكري" and large oval waqf seal impression (usually in red ink) with inscription "وقف لله تعالى ومقره بيت السجادة البكرية" in name of Bayt al-Sajjādah al-Bakrīyah (بيت السجادة البكرية) [compare seal no.244, CBL Ar 5116II, f. 1a]