Added title pages, v. : Reports on soviet geologists.On leaves preceding title pages, v. : Akademii͡a nauk Soi͡uza SSR. Ministerstvo geologii Soi͡uza ...
Added title pages, v. : Reports on soviet geologists.
On leaves preceding title pages, v. : Akademii͡a nauk Soi͡uza SSR. Ministerstvo geologii Soi͡uza SSR. Nat͡sional'nyĭ komitet geologov Sovetskogo Soi͡uza.
v. 4 has imprint: Leningrad, "Nauka, " Leningradskoe otd-nie.