‏البيوع : Hadeeth No:3821 Ibn Umar (Allaah be pleased with them) narrated Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who kept a dog ther than one meant for watching the fields or herds or hunting would lose one qirat every day out of his reward (with God)....

‏البر والصلة والآداب‏ : Hadeeth No:6303 Humaid b. 'Abd al-Rahman b. 'Auf reported that his mother Umm Kulthum daughter of 'Uqba b. Abu Mu'ait, and she was one amongst the first emigrants who pledged allegiance to Allaah's Prophet (sallAllaahu alayhi wa sallam), as saying that she heard Allaah's Messenger (sallAllaahu alayhi wa sallam) as ...