title: [A. A. Kad'ian and his book The Population of St. Petersburg's Homes for the Aged (on the 125th birthday of the scientist-humanist)].
mesh_terms: D000368:Aged; D005853:Geriatrics / Q000266:history; D049672:History, 19th Century; D006707:Homes for the Aged / Q000266:history*; D006801:Humans; D012425:Russia (Pre-1917); D014505:Urban Population
vernacular_title: A. A. Kad'ian i ego kniga "Naselenie C.-Peterburgskikh Gorodskikh Bogateleĭ" (k 125 pletiiu so dnia rozhdeniia uchenogo-gumanista)