Columbia subject headings:
Frederick II, Holy Roman Emperor, 1194-1250.
Latin language, Medieval and modern--Glossaries, vocabularies, etc.
Law, Medieval--Glossaries, vocabularies, etc.
Harvard subject headings:
Frederick II, Holy Roman Emperor, 1194-1250.
Sicily (Italy)--History--1194-1282--Sources.
Sicily (Italy). Liber Augustalis--Dictionaries.
Princeton subject headings:
Concordances.
Frederick II, Emperor of Germany, 1194-1250.
Law, Medieval--Italy--Sicily--Concordances.
Law--Italy--Sicily--Concordances.
Sicily (Italy)--History--1194-1282.