(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. (IT)
Reference (IT): Bulugh al-Maram 564 (IT)
In-book reference (IT): Book 3, Hadith 32 (IT)
English translation (IT): Book 3, Hadith 588 (IT)