Keywords: Gorskii 21087u.jpg ru � ате� ики Этюд Российская импе� ия en Materiki Study Russian Empire 1909 prokc 21087 Creator Sergey Prokudin-Gorsky other versions Custom license marker 2014 10 31 PD-Russia PD-1923 Uploaded with UploadWizard Photo of Saint Petersburg Governorate by Sergey Prokudin-Gorsky |