Hadith report, the scale of the report's transmission, the routes through which the report was transmitted, and the individual narrators involved in its transmission. On the basis of these criteria, various classifications were devised for hadith. The earliest comprehensive work in hadith studies was Abu Muhammad al-Ramahurmuzi's "al-Muhaddith al-Fasil", while another significant work was al-Hakim al-Naysaburi's "Ma‘rifat ‘ulum al-hadith". Ibn al-Salah's "ʻUlum al-hadith" is considered the standard classical reference on hadith studies. By means of hadith terminology, hadith are categorized as "ṣaḥīḥ" (sound, authentic), "ḍaʿīf" (weak), or "mawḍūʿ" (fabricated). Other classifications used also include: "ḥasan" (good), which refers to an otherwise
Hadith of the Twelve Successors versions of the Genesis creation narrative found in both the Tanakh and The Bible. The earliest know example is found in the Dead Sea Scrolls, Est. 408 BCE to 318 CE. Fihr, which is the founder of Quraish tribe, is a descendant of Prophet Ishmael. Fihr (Quraish) bin Malik bin Nadhr bin Kinanah bin Khuzayma bin Mudrikah bin Ilyas bin Mudhar bin Nizar bin Ma'ad bin Adnan bin Udad bin al-Muqawwam bin Nahur bin Tayrah bin Ya'rub bin Yasyjub bin Nabit bin Ishmael bin Abraham. Hadith of the Twelve Successors The hadith of the twelve successors, or twelve caliphs ()