Columbia subject headings:
Harvard subject headings:
Bertran, de Born, 1140?-1215
Great Britain--History--Plantagenets, 1154-1399.
Princeton subject headings:
Bertran, de Born, 1140?-1215--Manuscripts.
Bertran, de Born, 1140?-1215.
Facsimiles.
France--History--Louis VII, 1137-1180.
France--History--Philip II Augustus, 1180-1223.