Columbia subject headings:
May, Karl, 1842-1912--Criticism and interpretation.
May, Karl, 1842-1912--Homes and haunts--Germany--Berlin.
Harvard subject headings:
Authors, German--19th century--Biography
Authors, German--20th century--Biography
Berlin (Germany)--Biography
May, Karl, 1842-1912--Criticism and interpretation.
May, Karl, 1842-1912--Homes and haunts--Germany--Berlin.
Princeton subject headings:
May, Karl, 1842-1912--Criticism and interpretation.
May, Karl, 1842-1912--Influence.
May, Karl, 1842-1912.