Columbia subject headings:
Diplomatic and consular service, German.
Germany--Politics and government--1918-1933.
Schubert, Carl von, 1882-1947--Correspondence.
Harvard subject headings:
Diplomatic and consular service, German--History--20th century--Sources.
Diplomats--Germany--Biography
Foreign ministers--Germany--Biography.
Germany--Foreign relations--1918-1933.
Germany--Politics and government--1918-1933
Schubert, Carl von, 1882-1947--Correspondence.
Schubert, Carl von, 1882-1947.
Princeton subject headings:
Diplomatic and consular service, German.
Germany--Politics and government--1918-1933.
Schubert, Carl von, 1882-1947--Correspondence.