Columbia subject headings:
Kaliningrad (Kaliningradskai︠a︡ oblastʹ, Russia)--History--Sources.
Kant, Immanuel, 1724-1804.
Harvard subject headings:
Kaliningrad (Kaliningradskai︠a︡ oblastʹ, Russia)--History--Sources.
Kant, Immanuel, 1724-1804
Princeton subject headings:
Kaliningrad (Kaliningradskai︠a︡ oblastʹ, Russia)--History--Sources.
Kant, Immanuel, 1724-1804.