Hadithcore
Sunan Abi Dawud, 3147
sahih· Al-Albani

Narrated Qatadah:

Muhammad b. Sirin used to learn how to wash the dead from Umm 'Atiyyah: he would was with lotus leaves twice and with water and camphor for the third time.

حَدَّثَنَا هُدْبَةُ بْنُ خَالِدٍ، حَدَّثَنَا هَمَّامٌ، حَدَّثَنَا قَتَادَةُ، عَنْ مُحَمَّدِ بْنِ سِيرِينَ، أَنَّهُ كَانَ يَأْخُذُ الْغُسْلَ عَنْ أُمِّ عَطِيَّةَ، يَغْسِلُ بِالسِّدْرِ مَرَّتَيْنِ وَالثَّالِثَةَ بِالْمَاءِ وَالْكَافُورِ ‏.‏

References2 variants
In-Book Reference
Book 21, Hadith 59
English Reference
Book 20, Hadith 3141