Columbia subject headings:
Manuscripts, German--Switzerland.
Minger, Rudolf, 1881-1955--Manuscripts.
Harvard subject headings:
Manuscripts, German--Switzerland.
Minger, Rudolf, 1881-1955--Manuscripts.
Princeton subject headings:
Minger, Rudolf, 1881-1955--Archives--Catalogs.
Schweizerisches Bundesarchiv--Catalogs.
Statesmen--Switzerland--Archives--Catalogs.