Columbia subject headings:
Cologne (Germany)--History--To 1500--Historiography.
German language--Dialects--Germany--Cologne.
German language--Middle High German, 1050-1500--Phraseology.
Harvard subject headings:
Cologne (Germany)--History--To 1500--Historiography.
German language--Dialects--Germany--Cologne.
German language--Middle High German, 1050-1500--Phraseology.
Princeton subject headings:
Cologne (Germany)--History--To 1500--Historiography.
German language--Dialects--Germany--Cologne.
German language--Middle High German, 1050-1500--Phraseology.