[The life and work of Georgii Nestorovich Speranskiĭ (on the centennary of his birth)].
D049672:History, 19th Century; D049673:History, 20th Century; D010372:Pediatrics / Q000266:history; D014586:USSR
Zhizn' i deiatel'nost' Georgiia Nestorovicha Speranskogo (K 100-letiiu so dnia rozhdeniia.