Columbia subject headings:
Fribourg (Switzerland)--Church history--Middle Ages, 600-1500--Sources.
Inquisition--Switzerland--Fribourg--History--Sources.
Trials (Heresy)--Switzerland--Fribourg--Sources.
Trials (Witchcraft)--Switzerland--Fribourg--Sources.
Waldenses--Switzerland--Fribourg--History--Sources.
Harvard subject headings:
Christian sects--Switzerland--Fribourg--History--Sources.
Fribourg (Switzerland)--Church history--Sources.
Trials (Heresy)--Switzerland--Fribourg--History.
Waldenses--History--Sources.
Waldenses--Switzerland--Fribourg--History--To 1500--Sources.
Princeton subject headings:
Fribourg (Switzerland)--Church history--Sources.
Trials (Heresy)--Switzerland--Fribourg--History.
Waldenses--History--Sources.
Waldenses--Switzerland--Fribourg--History--To 1500--Sources.