(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. (RU)
Reference (RU): Sunan Abi Dawud 3650 (RU)
In-book reference (RU): Book 26, Hadith 10 (RU)
English translation (RU): Book 25, Hadith 3642 (RU)