Great Soviet Encyclopedia. Volume 20, 1930 (Q43200275)
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Current Data About Great Soviet Encyclopedia. Volume 20, 1930
(P31) (Q3331189)

(P361) (Q20078554)
(P155)
(P156)

(P407) (Q7737)

(P478) 20

(P577) Wednesday, January 1, 1930

(P1476) "Гурьевка — Дейки" (language: ru)

other details

External Links
(P675) 3cxLAQAAIAAJ