Rjazanov (centre) and colleagues if the Marx-Engels Institute at the entrance of the institute building. Probably at end of the 1920s.

Rjazanov (centre) and colleagues if the Marx-Engels Institute at the entrance of the institute building. Probably at end of the 1920s.

Rjazanov (centre) and colleagues if the Marx-Engels Institute at the entrance of the institute building. Probably at end of the 1920s.

Rjazanov (centre) and colleagues if the Marx-Engels Institute at the entrance of the institute building. Probably at end of the 1920s.