Columbia subject headings:
Gestalt psychology.
Harrower, Molly, 1906-1999.
Koffka, Kurt, 1886-1941.
Psychologists--Correspondence.
Harvard subject headings:
Gestalt psychology
Harrower, Molly, 1906-1999
Koffka, Kurt, 1886-1941
Psychologists--Correspondence.
Princeton subject headings:
Gestalt psychology.
Harrower, Molly, 1906-1999.
Koffka, Kurt, 1886-1941.
Psychologists--Correspondence.