1
Έκδοση 1963
“...Union of Soviet Socialist Republics...”
Βιβλίο
2
Έκδοση 1957
“...Union of Soviet Socialist Republics. Ministry of Education...”
Βιβλίο
3
Έκδοση 1962
“...Union of Soviet Socialist Republics (USSR). State Committee on Building Affairs of the Council...”
Βιβλίο