Columbia subject headings:
Germany--Relations--Latvia--History.
Latvia--Relations--Germany--History.
Harvard subject headings:
Germany--Relations--Latvia.
Latvia--Historiography.
Latvia--History--1918-1940.
Latvia--History--1940-
Latvia--Relations--Germany.
Princeton subject headings:
Latvia--Foreign public opinion, German.
Latvia--Historiography.
Latvia--History--1918-1940.
Latvia--History--1940-1991.