Columbia subject headings:
Harvard subject headings:
Kraepelin, Emil, 1856-1926--Correspondence.
Psychiatrists--Germany--Correspondence.
Psychologists--Germany--Correspondence.
Wundt, Wilhelm Max, 1832-1920--Correspondence.
Princeton subject headings:
Kraepelin, Emil, 1856-1926--Correspondence.
Psychiatrists--Germany--Correspondence.
Psychologists--Germany--Correspondence.
Wundt, Wilhelm Max, 1832-1920--Correspondence.