Book Schirmacher, Wolfgang; Nebelung, Sven.; (2001)
German Essays on Psychology

Book Harrower, Molly; (1983)
Kurt Koffka: An unwitting self-portrait. Preface by Mary Henle

Article Marion A. Schmidt; (2017)
Planes of Phenomenological Experience: The Psychology of Deafness as an Early Example of American Gestalt Psychology, 1928–1940

Book Murray, David J.; (1995)
Gestalt psychology and the cognitive revolution

Chapter Ash, Mitchell G.; (1985)
The role of developmental concepts in the history of Gestalt theory: The work of Kurt Koffka