Columbia subject headings:
Johannes, von Gmunden, approximately 1385-1442--Congresses.
Science--Austria--History--14th century--Congresses.
Science--Austria--History--15th century--Congresses.
Harvard subject headings:
Johannes, von Gmunden, approximately 1385-1442--Congresses.
Science, Medieval--Congresses
Science, Renaissance--Congresses.
Science--Austria--History--Congresses.
Princeton subject headings:
Astronomy, Medieval--History--Congresses.
Austria--Intellectual life--Congresses.
Johannes, von Gmunden, approximately 1385-1442--Congresses.
Kepler, Johannes, 1571-1630--Congresses.
Medicine--History--15th century--Congresses.
Renaissance--Congresses.
Science--Europe, German-speaking--History--Congresses.