Columbia subject headings:
Authorship in literature.
Books and reading in literature.
Keller, Gottfried, 1819-1890--Criticism and interpretation.
Harvard subject headings:
Authorship in literature.
Books and reading in literature.
Keller, Gottfried, 1819-1890--Criticism and interpretation.
Princeton subject headings:
Authorship in literature.
Books and reading in literature.
Keller, Gottfried, 1819-1890--Criticism and interpretation.