Principles of topological psychology / by Kurt Lewin; translated by Fritz Heider and Grace M. Heider.Lewin, Kurt · First published 1966Open the Tome
Supplement: Ethnographic Film Clips (DVD) - Seeing AnthropologyKarl G. Heider · First published 2007Open the Tome
Psychology of Interpersonal RelationsF. Heider · First published 1958 · Latest edition 1967Open the Tome