Title: Peterburgskie met︠s︡enaty
Subjects: Philanthropists, Mansions, Buildings, structures
Places: Russia (Federation), Saint Petersburg, Saint Petersburg (Russia)
People: Aleksandr Li︠u︡bimovich Shtiglit︠s︡ Baron (1814-1884), A. A. Polovt︠s︡ov (1832-1909), Sergeĭ Sergeevich Gagarin kni︠a︡zʹ (1795-1852)