Columbia subject headings:
Harvard subject headings:
Himmler, Heinrich, 1900-1945--Correspondence.
Himmler, Margarete, 1893-1967--Correspondence.
Nazis--Correspondence.
Princeton subject headings:
Himmler, Heinrich, 1900-1945--Correspondence.
Himmler, Margarete, 1893-1967--Correspondence.
Nazis--Correspondence.