Ervad Shams-Ul-Ulama Jivanji Jamshedji Modi, Translated by Soli Dastur, 1926, http://www.avesta.org/modi/baku.htm.
«... 'maybe, that before Moslem epoch it was Zoroastrian Fire Temple, which was destroyed by Arabs and later was restored by Hindu people for their purposes' ... Farroukh Isfandzadeh ... Not just me but any Parsee who is a little familiar with our Hindu brethren’s religion, their temples and their customs, after examining this building with its inscriptions, architecture, etc., would conclude that this is not a Parsee Atash Kadeh but is a Hindu Temple ... informed me that some 40 years ago, the Russian Czar, Alexander III, visited this place with a desire to witness the Hindu Brahmin Fire ritual ... gathered a few Brahmins still living here and they performed the fire ritual in this room in front of the Czar ... I asked for a tall ladder and with trepidation I climbed to the top of the building and examined the foundation stone which was inscribed in the Nagrik [or Nagari] script ... the installation date is mentioned as the Hindu Vikramaajeet calendar year 1866 (equivalent to 1810 A. D.) ...»