Columbia subject headings:
Johannes, de Polliaco, -approximately 1350.
Templars--Trials, litigation, etc.--Sources.
Harvard subject headings:
Johannes, de Polliaco, -approximately 1350.
Templars--Trials, litigation, etc.--Sources.
Princeton subject headings:
Johannes, de Polliaco, -approximately 1350.
Templars--Trials, litigation, etc.--Sources.