Great Soviet Encyclopedia. Volume 15, 1929 (Q43200262)
Language:
(P31) (Q3331189)
(P361) (Q20078554)
(P407) (Q7737)
(P478) 15
(P577) Tuesday, January 1, 1929
(P1476) "Гейльброн — Германия" (language: ru)
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