(2) باب مَنِ اعْتَمَرَ قَبْلَ الْحَجِّ
Narrated Ibn Juraij:
`Ikrima bin Khalid asked Ibn `Umar about performing `Umra before Hajj. Ibn `Umar replied, "There is no harm in it." `Ikrima said, "Ibn `Umar also said, 'The Prophet (ﷺ) had performed `Umra before performing Hajj.'"
Reference: Sahih al-Bukhari 1774
In-book reference: Book 26, Hadith 2
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 27, Hadith 2