Day, E. P. (1884). Day's collacon: Prose quotations. London: Sampson Low, Marston, Searle and Rivington.
2.
de Rivera, J. (1977). A structural theory of emotions. New York: International Universities Press.
3.
de Rivera, J. (Ed.). (1981). Conceptual encounter: A method for the exploration of human experience. Washington, DC: University Press of America.
4.
Goodman, S. (1981). The experience of anxiety as differentiated from panic. In J. de Rivera (Ed.), Conceptual encounter: A method for the exploration of human experience. Washington, DC: University Press of America.
5.
Jaeger, B. (1971). Horizontality and verticality: A phenomenological exploration into lived space. In A. Giorgi, W. F. Fischer, and R. Von Eckartsberg (Eds.), Duquesne studies in phenomenological psychology (Vol. 1). Duquesne: Duquesne University Press.
6.
Lindsay-Hartz, J. (1981). Joy, elation and gladness. In J. de Rivera (Ed.). Conceptual encounter: A method for the exploration of human experience. Washington, DC: University Press of America.
7.
Sartre, J. P. (1948). The emotions. New York: Philosophical Library.
8.
Sherif, M. , Harvey, O., White, B., Hood, W. & Sherif, C. (1961). Intergroup conflict and cooperation: The Robber's Cove experiment. Norman: Institute of Group Relations, University of Oklahoma.
