Tyunina, O. P. Yusupov’s Fotocollection in the Archangelskoye Memorial Estate: УДК [77.03+069:779](470.311)“1850 1917.” ИЕ 2018, No. 1 (8), 94–105. https://doi.org/10.25712/ASTU.2518-7767.2018.01.010 .