Columbia subject headings:
Harvard subject headings:
Education--Germany--Prussia--History--19th century.
Education--Russia (Federation)--Kaliningrad Region--History--19th century--Sources.
Schools--Russia (Federation)--Kaliningrad Region--Registers.
Teachers--Russia (Federation)--Kaliningrad Region--Registers.
Princeton subject headings:
Germans--Russia (Federation)--Kaliningradskai︠a︡ oblastʹ.
Schools, German--Russia (Federation)--Kaliningradskai︠a︡ oblastʹ.
Schools--Russia (Federation)--Kaliningradskai︠a︡ oblastʹ--History.
Teachers--Russia (Federation)--Kaliningradskai︠a︡ oblastʹ--Biography.