Columbia subject headings:
Social psychology.
Social sciences--Methodology.
Wertheimer, Max, 1880-1943.
Harvard subject headings:
Social psychology.
Social sciences--Methodology
Wertheimer, Max, 1880-1943
Princeton subject headings:
Social psychology--Collected works.
Social sciences--Methodology--Collected works.
Wertheimer, Max, 1880-1943.