Hadithcore
Sahih al-Bukhari, 4859
sahih

Narrated Ibn `Abbas:

(regarding His Statement about the Lat and the `Uzza: Lat was originally a man who used to mix Sawiq for the pilgrim.

حَدَّثَنَا مُسْلِمٌ، حَدَّثَنَا أَبُو الأَشْهَبِ، حَدَّثَنَا أَبُو الْجَوْزَاءِ، عَنِ ابْنِ عَبَّاسٍ، رضى الله عنهما فِي قَوْلِهِ ‏{‏اللاَّتَ وَالْعُزَّى‏}‏ كَانَ الَّلاَتُ رَجُلاً يَلُتُّ سَوِيقَ الْحَاجِّ‏.‏

References2 variants
In-Book Reference
Book 65, Hadith 380
USC-MSA web (English) reference
Vol. 6, Book 60, Hadith 382 (deprecated numbering scheme)