Stephen Arpee Collection of Sevruguin Photographs. Freer Gallery of Art and Arthur M. Sackler Gallery Archives. Smithsonian Institution, Washington D.C., 2011. Museum number: FSA A2011.03 A.27b. "In some accounts the seated figure is identified as a learned Jew". On the mount, below the photographic print, handwritten caption (inked) in English reads, "Chief Priest of the Fire Worshippers".
Titled "A Zaroastrian Merchant" on page 309 of the book by A.V. Williams Jackson titled "Persia Past and Present" (1st edition 1906).