Columbia subject headings:
Haubst, Rudolf--Congresses.
Human beings--Congresses.
Humanism--Congresses.
Nicholas, of Cusa, Cardinal, 1401-1464--Congresses.
Harvard subject headings:
Haubst, Rudolf--Congresses.
Human beings--Congresses
Humanism--Congresses.
Nicholas, of Cusa, Cardinal, 1401-1464--Congresses.
Princeton subject headings: