Sankt-Peterburg, Petrograd, Leningrad : ėnt︠s︡iklopedicheskiĭ spravochnik /
Piotrovskiĭ, B. B.(Boris Borisovich),1908-1990.
[Moscow] : Bolʹshai︠a︡ rossiĭskai︠a︡ ėnt︠s︡iklopedii︠a︡,
1992.
Includes bibliographical references.