‏الحج : Hadeeth No:2998 Abdullah b. Amr b. al-'As (Allaah be pleased with them) reported: As Allaah's Prophet. (sallAllaahu alayhi wa sallam) was delivering sermon on the Day of Nahr, a man stood up before him and said: Messenger of Allaah, I did not know that such and such (rite was to be performed) before such and such (...

‏الصلاة : Hadeeth No:2060 This hadith has been narrated by another chain of transmitters except with this variation (of words) that in the hadith narrated by Ma'mar (the words are):" I do not know whether the hadith is marfu'."...