Columbia subject headings:
Diplomatics--Study and teaching.
Paleography--Study and teaching.
Università di Roma. Istituto di paleografia.
Harvard subject headings:
Diplomatics--Europe.
Diplomatics--Study and teaching.
Italy--Foreign relations.
Paleography, Latin.
Paleography--Study and teaching.
Università di Roma. Istituto di paleografia.
Princeton subject headings: