(3) باب فِي كِتَابَةِ الْعِلْمِ
Al-Walid said :
I asked Abu `Amr: What are they writing? He said: The sermon which he heard that day. (ID)
Reference (ID): Sunan Abi Dawud 3650 (ID)
In-book reference (ID): Book 26, Hadith 10 (ID)
English translation (ID): Book 25, Hadith 3642 (ID)