Columbia subject headings:
Harvard subject headings:
German literature--Middle High German, 1050-1500--History and criticism
German poetry--Middle High German, 1050-1500--History and criticism
Hartmann, von Aue, active 12th century--Criticism and interpretation.
Love in literature
Marriage in literature.
Princeton subject headings:
Hartmann, von Aue, active 12th century--Criticism and interpretation.
Love in literature.
Marriage in literature.