Columbia subject headings:
German language--Old High German, 750-1050--Glossaries, vocabularies, etc.
German language--Old High German, 750-1050--Graphemics.
German language--Old High German, 750-1050--Phonemics.
Historisches Archiv der Stadt Köln. Manuscript. W 91.
Manuscripts, German--Germany--Cologne.
Manuscripts, Medieval--Germany--Cologne.
Harvard subject headings:
German language--Old High German, 750-1050--Glossaries, vocabularies, etc.
German language--Old High German, 750-1050--Graphemics.
German language--Old High German, 750-1050--Phonemics.
Historisches Archiv der Stadt Köln. Manuscript. W 91.
Manuscripts, German--Germany--Cologne.
Manuscripts, Medieval--Germany--Cologne.
Princeton subject headings:
German language--Old High German, 750-1050--Glossaries, vocabularies, etc.
Summarium Heinrici.