Title: Ni︠e︡skolʹko voprosov otnositelʹno ėpidemicheskoĭ kholery i dalʹni︠e︡ĭshīi︠a︡ svi︠e︡di︠e︡nīi︠a︡ o di︠e︡ĭstvīi︠a︡kh ei︠a︡ v Sanktpeterburgi︠e︡ v 1848-m godu
Subjects: Cholera, History, Epidemiology