Columbia subject headings:
Obrecht, Jacob, -1505--Bibliography.
Ockeghem, Johannes, approximately 1410-1497--Bibliography.
Harvard subject headings:
Obrecht, Jacob, -1505--Bibliography.
Ockeghem, Johannes, approximately 1410-1497--Bibliography.
Ockeghem, Johannes, approximately 1410-1497.
Princeton subject headings:
Obrecht, Jacob, -1505--Bibliography.
Ockeghem, Johannes, approximately 1410-1497--Bibliography.