‏البيوع : Hadeeth No:3884 AI-Nu'man b. Bashir reported it from Allaah's Prophet (sallAllaahu alayhi wa sallam). The hadith narrated by Zakariya is, however, more complete and lengthy than the other ones....

‏الصلاة : Hadeeth No:1567 'A'isha reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) used to observe two rak'ahs of Sunnah (prayer) when he heard the Adhin and shortened them. (This hadith has been narrated by the same chain of transmitters and in the hadith narrated by Usama the words are:" When it was dawn".)...