Columbia subject headings:
Biblioteca apostolica vaticana. Archivio segreto vaticano. Manuscript. Armadio D-207.
Templars--Italy--History--Sources.
Templars--Trials, litigation, etc.
Trials (Heresy)--Italy--Abruzzo.
Trials (Heresy)--Italy--History--Sources.
Trials (Heresy)--Italy--Papal States.
Trials (Heresy)--Italy.
Harvard subject headings:
Templars--Trials, litigation, etc.
Trials (Heresy)--Italy--Abruzzo.
Trials (Heresy)--Italy--Papal States.
Princeton subject headings:
Templars.
Trials (Heresy)--Italy.