Columbia subject headings:
Harvard subject headings:
Freud, Sigmund, 1856-1939--Friends and associates.
Lehrman, Philip R. (Philip Rafael), 1895-1958--Friends and associates.
Princeton subject headings:
Freud, Sigmund, 1856-1939--Friends and associates.
Lehrman, Philip R. (Philip Rafael), -1958--Friends and associates.