Columbia subject headings:
Harvard subject headings:
Austria--Foreign relations--France.
Diplomats--Biography
Diplomats--Correspondence
Europe--Politics and government--1848-1871.
France--Court and courtiers.
France--Foreign relations--Austria.
Princeton subject headings:
Austria--Foreign relations--France.
Diplomats--Correspondence, reminiscences, etc.
Europe--Politics and government--1848-1871.
France--Court and courtiers.
France--Foreign relations--Austria.