Columbia subject headings:
Harvard subject headings:
Germany--Foreign relations--Russia (Federation)
Putin, Vladimir Vladimirovich, 1952-
Russia (Federation)--Foreign relations--Germany.
Ukraine Conflict, 2014-
Princeton subject headings:
Germany--Foreign relations--Russia (Federation).
Putin, Vladimir Vladimirovich, 1952-
Russia (Federation)--Foreign relations--Germany.
Ukraine Conflict, 2014-