Columbia subject headings:
Harvard subject headings:
Ehrlich, Paul, 1854-1915.
Ehrlich, Paul.
Immunologists--Germany--Biography.
Medical scientists--Germany--Biography.
Nobel Prize winners--Germany--Biography.
Princeton subject headings:
Ehrlich, Paul, 1854-1915--Friends and associates.
Ehrlich, Paul, 1854-1915.
Immunologists--Germany--Biography.
Medical scientists--Germany--Biography.