Communal Living in Russia: Photos
Photographs from other apartments: Door with hooks
  Summary
  At some point in the past, this service entrance was used more often; the hooks remain from that time. The door locks only from the inside, using these hooks. 2002.
For credits, copyright, and contact information please see the "About" page at Communal Living in Russia: A Virtual Museum of Soviet Everyday Life, http://russlang.as.cornell.edu/komm/.