(127) باب الْحَلْقِ وَالتَّقْصِيرِ عِنْدَ الإِحْلاَلِ
Narrated `Abdullah:
The Prophet (ﷺ) and some of his companions got their heads shaved and some others got their hair cut short.
Reference: Sahih al-Bukhari 1729
In-book reference: Book 25, Hadith 207
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 26, Hadith 787