Unknown artist. I.K. Shamborskii, director of the amateur string orchestra of the Vodnyi Industry. Drawing (photocopy). UkhIzhemLag, 1940-e. Photo 21.02.2007.
N.E. Lansere. Title page of a report Technical Section of the Economics Department of the Plenipotentiary Representation of the OGPU to the Leningrad Military District. Sketch. Internal OGPU prison in Leningrad, 1932. Photo 06.10.2004