image is a derivative work of the following images: File:Alexander_Sergeevich_Nikolskiy.jpg licensed with Cc-pd-mark-footer, PD-Art, PD-old 2011-06-12T22:06:04Z...
DescriptionAlexander Sergeevich Nikolskiy.jpg English: Portrait of Alexander Sergeevich Nikolskiy. Lithography by M. A. Kashintsev from collection "Lithographic...
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