Mírzá Muhammad Rawdih-Khán Yazdí (or Dhákir-i-Masá’ib) was the eighth Letter of the Living. He returned from Shiraz to Yazd. Because of the persecution of the Bábís, he chose not to reveal his beliefs but continued to teach the Bábí Faith covertly to the end of his life.
“Mírzá Muhammad Rawdih-Khán Yazdí“ Bahá’í Encyclopedia Project. baha’i-encyclopedia-project.org
Baha’i World Centre Archives – Door to the House of the Báb