Public domain
Aleksi︠e︡evskoe Realʹnoe Uchilishche v g. Ekaterinburgi︠e︡
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAleksi︠e︡evskoe Realʹnoe Uchilishche v g. Ekaterinburgi︠e︡. 1910-01-01. Prokudin-Gorskiĭ, Sergeĭ Mikhaĭlovich. Prokudin-Gorskii Collection, Library of Congress. Public domain.