Columbia subject headings:
Hille, Peter, 1854-1904--Correspondence.
Hille, Peter, 1854-1904--Criticism and interpretation.
Hille, Peter, 1854-1904.
Harvard subject headings:
Authors, German--19th century--Biography
Hille, Peter, 1854-1904--Correspondence.
Hille, Peter, 1854-1904--Criticism and interpretration.
Princeton subject headings:
Authors, German--19th century--Biography.
Hille, Peter, 1854-1904--Criticism and interpretation.