Columbia subject headings:
Hirschfeld, Magnus, 1868-1935.
Sexologists--Germany--Biography.
Sexology--Germany.
Harvard subject headings:
Hirschfeld, Magnus, 1868-1935
Sexologists--Germany--Biography.
Sexology--Germany.
Princeton subject headings:
Hirschfeld, Magnus, 1868-1935.
Sexologists--Germany--Biography.