Hadith No: 1
Ibn Hajar al-Asqalani - Al-Isabah fi Tamyiz al-Sahabah
Letter Jim - Part One - Jim followed by Noon - 1248: Jahjah ibn Sa'id
Volume: (1) - Page Number: (621)
[The text is lengthy, so only the relevant excerpt is provided here]
1248 - Jahjah ibn Sa'id, and it is said ibn Qais, and it is said ibn Mas'ud al-Ghifari
witnessed the Bai'at al-Ridwan at Hudaybiyyah....