Columbia subject headings:
Harvard subject headings:
Aesthetics--Congresses
Hamburger, Käte, 1896-1992--Congresses.
Philosophy--Congresses
Sympathy--Congresses.
Princeton subject headings:
Compassion in literature--Congresses.
Compassion--Congresses.
Hamburger, Käte, 1896-1992. Mitleid--Congresses.
Sympathy in literature--Congresses.
Sympathy--Congresses.