Bernard Kaplan
Einige Bemerkungen zu Einflüssen auf Wittgenstein
1984
in: Bühler-Studien 2, Frankfurt am Main : Suhrkamp
Perspectives in psychological theory: Essays in honor of Heinz Werner1960
with Wapner Seymour (ed)
New York, International Universities Press
Some psychological methods for the investigation of expressive language
1955
in: On expressive language, Worcester, Ma : Clark University Press