Mullá Yúsuf Ardibílí was the fourteenth Letter of the Living. He was noted for his learning and eloquence. He played an active and prominent role among the Bábís. He was killed at Shaykh Tabarsí.
“Mulla Yusuf-i-Ardibili” Bahá’í Encyclopedia Project. bahai-encyclopedia-project.org
Baha’i World Centre Archives – Door to the House of the Báb