The Book of Transactions (Kitab Al-Buyu`)

Muslim :: Book 10 : Hadith 3803

Aba Mas'ud al-Ansari (Allah be pleased with him) reported that Allah's Messenger (may peace be upon him) forbade the charging of price of the dog, and earnings of a prostitute and sweets offered to a kahin.

Source materials are from the University of Southern California MSA site
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