"Spravochnoe izdanie"--Colophon.
"Справочное издание"--Colophon.
Contains Popov's Materialy dli︠a︡ bibliografii russkoĭ literatury po izuchenii︠u︡ shamanstva serevoaziatskikh narodov (p. 512-[561]), published in 1932, without that author's commentaries on the entries.
Contains Popov's Материалы для библиографии русской литературы по изучению шаманства серевоазиатских народов (p. 512-[561]), published in 1932, without that author's commentaries on the entries.