‏البيوع : Hadeeth No:3655 This hadith is narrated on the authority of Jabir b. Abdullah (Allaah be pleased with them) but with this variation that no mention is made of the dates (which one finds) at the end of the previous hadith....

‏الذكر والدعاء والتوبة والاستغفار‏ : Hadeeth No:6589 Umm Darda' reported: My husband reported that he heard Allaah's Mes- senger (sallAllaahu alayhi wa sallam) as saying: He who supplicates for his brother behind his back (in his absence), the Angel commissioned (for carrying supplication to his Lord) says: Amen, and it is for you also....