Johann Christian Kerstens

1713 – 1802

• Nastavlenīi︠a︡ i pravila vrachebnyi︠a︡ dli︠a︡ derevenskikh zhiteleĭ, sluzhashchīi︠a︡ k umnozhenīi︠u︡ ne dovolʹnago chisla li︠u︡deĭ v Rossīi