(58) باب ذِكْرِ النَّهْىِ عَنْ أَنْ يُحْلَقَ بَعْضُ شَعْرِ الصَّبِيِّ وَيُتْرَكَ بَعْضُهُ
It was narrated that Ibn 'Umar said:
"The Messenger of Allah [SAW] forbade Al-Qaza' (shaving part of the head and leaving part)."
Reference: Sunan an-Nasa'i 5230
In-book reference: Book 48, Hadith 191
English translation: Vol. 6, Book 48, Hadith 5232