حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا اللَّيْثُ، عَنْ خَالِدِ بْنِ يَزِيدَ، عَنْ سَعِيدِ بْنِ أَبِي هِلاَلٍ، عَنْ عُبَادَةَ بْنِ نُسَىٍّ، عَنْ أَوْسٍ الثَّقَفِيِّ، عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم أَنَّهُ قَالَ ‏"‏ مَنْ غَسَلَ رَأْسَهُ يَوْمَ الْجُمُعَةِ وَاغْتَسَلَ ‏"‏ ‏.‏ ثُمَّ سَاقَ نَحْوَهُ ‏.‏

Aws al-Thaqafi reported the Messenger of Allah (PBUH) as saying: If anyone washes his head on Friday and washes himself; and he narrated the rest of the tradition as above. Translation Not Available

Book Ref: Sunan Abi Dawud Book 1 Hadith 346
Web Ref:  Sunan Abi Dawud Book 1 Hadith 346