Columbia subject headings:
Canon law--Early works to 1800.
Canon law--History--To 1500.
Joannes, de Imola, -1436.
Roman law--Early works to 1800.
Harvard subject headings:
Canon law--Early works to 1800.
Canon law--History--To 1500.
Joannes, de Imola, -1436
Roman law--Early works to 1800.
Princeton subject headings:
Giovanni, da Imola, 1375 ca.-1436.
Law--Europe--History.
Lawyers--Italy--Bologna--Biography.