Columbia subject headings:
Harvard subject headings:
Canon law--History--Congresses.
Martino, da Fano, active 1229-1272--Congresses.
Martino, da Fano, active 1229-1272. Formularium super contractibus et libellis--Congresses.
Notaries (Canon law)--History--Congresses.
Notaries (Roman law)--History--Congresses.
Notaries--Italy--History--Congresses.
Roman law--History--Congresses.
Princeton subject headings:
Martino, da Fano, active 1229-1272--Criticism and interpretation--Congresses.
Notaries--Italy--History--Congresses.