Title: 150 let na sluzhbe nauki i prosveshchenii︠a︡
Subjects: Congresses, History, Historical libraries, Private libraries, Book collectors, Library resources, Gosudarstvennai͡a publichnai͡a istoricheskai͡a biblioteka (Russia), Gosudarstvennai︠a︡ publichnai︠a︡ istoricheskai︠a︡ biblioteka (Russia)
Places: Russia (Federation), Moscow, Russia