Columbia subject headings:
Dialogue--Religious aspects--Christianity.
Liberty--Religious aspects--Christianity.
Nicholas, of Cusa, Cardinal, 1401-1464.
Trinity.
Harvard subject headings:
Dialogue--Religious aspects--Christianity
Liberty--Religious aspects--Christianity
Nicholas, of Cusa, Cardinal, 1401-1464
Philosophy, Medieval.
Trinity--History of doctrines--Middle Ages, 600-1500.
Princeton subject headings:
Dialogue--Religious aspects--Christianity.
Liberty--Religious aspects--Christianity.
Nicholas, of Cusa, Cardinal, 1401-1464.
Trinity.