Columbia subject headings:
Identity (Psychology) in literature.
Keller, Gottfried, 1819-1890--Knowledge and learning.
Psychology.
Swiss literature--Psychological aspects.
Harvard subject headings:
Identity (Psychology) in literature.
Keller, Gottfried, 1819-1890--Criticism and interpretation.
Keller, Gottfried, 1819-1890--Knowledge--Psychology.
Swiss literature--Psychological aspects.
Princeton subject headings:
Keller, Gottfried, 1819-1890.