Columbia subject headings:
Europe--Description and travel--Congresses.
Travelers' writings, European--History and criticism--Congresses.
Women travelers--Europe--History--Congresses.
Harvard subject headings:
Europe--Description and travel--Congresses.
Travelers' writings, European--History and criticism--Congresses.
Women travelers--Europe--History--Biography--Congresses.
Women travelers--Europe--History--Congresses.
Princeton subject headings:
Europe--Description and travel--Congresses.
Travelers' writings, European--History and criticism--Congresses.
Women travelers--Europe--History--Congresses.