أَخْبَرَنَا أَحْمَدُ بْنُ عَبْدَةَ، قَالَ أَنْبَأَنَا حَمَّادٌ، قَالَ حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم نَهَى عَنِ الْقَزَعِ ‏.‏

It was narrated from Ibn 'Umar that: The Prophet [SAW] forbade Al-Qaza' (shaving part of the head and leaving part). Translation Not Available

Book Ref: Sunan An Nisai Book 48 Hadith 5228
Web Ref:  Sunan An Nisai Vol 6 Book 48 Hadith 5230