(1)
Talhah bin 'AbduIlah bin 'Auf (RAA) narrated, 'I offered a funeral prayer led by Ibn 'Abbas. He recited al-Fatihah and said, 'You should know that it (reciting al-Fatihah) is a Sunnah of the Prophet (ﷺ).' Related by Al-Bukhari. (DE)
Reference (DE): Bulugh al-Maram 564 (DE)
In-book reference (DE): Book 3, Hadith 32 (DE)
English translation (DE): Book 3, Hadith 588 (DE)