Columbia subject headings:
Liberty in literature--Congresses.
Liberty--Philosophy--History--Congresses.
Liberty--Political aspects--Congresses.
Liberty--Religious aspects--Congresses.
Renaissance--Congresses.
Harvard subject headings:
Liberty in literature--Congresses.
Liberty--Philosophy--History--Congresses.
Liberty--Political aspects--Congresses.
Liberty--Religious aspects--Congresses.
Renaissance--Congresses
Princeton subject headings:
Liberty in literature--Congresses.
Liberty--Philosophy--History--Congresses.
Liberty--Political aspects--Congresses.
Liberty--Religious aspects--Congresses.
Renaissance--Congresses.