Malik related to me from Yahya ibn Said that Sulayman ibn Yasarinformed him that Abdullah ibn Abbas ibn Abi Rabia al-Makhzumi said,"Umar ibn al-Khattab gave me orders about the slaves of Quraysh and weflogged some of the slave-girls of the muslim lands fifty times eachfor fornication." (AR)
USC-MSA web (English) reference: Book 41, Hadith 16 (AR)
Arabic reference (AR): Book 41, Hadith 1518 (AR)