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Khristīanskai︠a︡ filosofīi︠a︡, ili Rukovodstvo k nebesam, soderzhashchee v sebi︠e︡ luchshīi︠a︡ iz Svi︠a︡shchennago Pisanīi︠a︡ Svi︠a︡tykh Ott︠s︡ev i drevnikh filosofov nravouchenīi︠a︡

by Giovanni Bona, Apollos Bishop of Archangel