Heliogravure from a painting by P.S. Sorokin, The First Russian Martyrs Theodore the Varangian and his son John" (1852, The State Tretyakov Gallery) (Code: 3890)

The album of the Moscow Rumyantsev Gallery was considered the most perfect of all similar publications on fine arts published in Russia.
Reproduction of paintings in the technique of heliogravure was made in Vienna, special paper of two grades was ordered from England and Holland,
the explanatory text for the edition was printed in Leipzig in a font specially designed for it.