Muwatta Malik #1630
Hudud
Malik related to me from Yahya ibn Said that Sulayman ibn Yasar
informed him that Abdullah ibn Abbas ibn Abi Rabia al-Makhzumi said,
"Umar ibn al-Khattab gave me orders about the slaves of Quraysh and we
flogged some of the slave-girls of the muslim lands fifty times each
for fornication."
About Muwatta Malik
This hadith is #1630 from Muwatta Malik, in the Book of Hudud. Muwatta Malik contains 1,985 hadiths across 61 books.