Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
nasai-kubra:4679Muḥammad b. al-Naḍr b. Musāwir > Sufyān > ʿAmr > ʿAṭāʾ > Suʿayd a freed slave of Khalīfah > Abū Hurayrah

[Machine] I heard Abu Hurairah saying, "The price of a dog, the dowry of a prostitute, and the earnings of a blood therapist are impure." Abu Hazem Salman, the servant of Azza, raised it.  

الكبرى للنسائي:٤٦٧٩حَدَّثَنَا مُحَمَّدُ بْنُ النَّضْرِ بْنِ مُسَاوِرٍ حَدَّثَنَا سُفْيَانُ عَنْ عَمْرٍو عَنْ عَطَاءٍ عَنْ سُعَيدٍ مَوْلَى خَلِيفَةَ

سَمِعْتُ أَبَا هُرَيْرَةَ يَقُولُ «ثَمَنُ الْكَلْبِ وَمَهْرُ الْبَغِيِّ وَكَسْبُ الْحَجَّامِ سُحْتٌ» رَفَعَهُ أَبُو حَازِمٍ سَلْمَانُ مَوْلَى عَزَّةَ