the book. His sources also include “al-Tahdhīb” by al-Azharī, whose title he named (1/ 500, 501), and “al-Sihāh” by al-Jawharī, whose author he named (1/ 500). They also include “al-Ruʾya” by al-Dāraqutnī, whose title he named (1/ 509); “Gharīb al-Hadīth” by Abū ʿUbayd, without naming the book (1/ 515); “al-Manāmāt” by Ibn Abī al-Dunyā, whose title he named (1/ 518); and “Inkār al-Bidaʿ wa-l-Hawādith” by Abū Shāma (1/ 549–550), which he did not name. He also used “Maʿrifat al-Sunan” by al-Bayhaqī, naming it in one passage (1/ 466) and mentioning only the author’s name in passages