Bab und Babis, by Arminius Vambery (published as Ármine Vámbéry) (1867). Lengthy discussion of the Babis, by a Hungarian Jew who later met Abdu'l-Bahá.
Summon Up Remembrance, by Marzieh Gail (1987). Memoir left by Ali-Kuli Khan, one of the first translators of Bahá'í Writings; writings of his wife Florence; other family papers and memories.