53. Piaget, Jean and Inhelder, Barbel. The Growth of Logical Thinking from Childhood to Adolescence: An Essay on the Construction of Formal Operational Structures. London: Routledge & Kegan Paul, 1958.
54. Piaget, Jean. Logic and Psychology. Manchester: University Press, 1953.
55. Piaget, Jean. The Mechanisms of Perception. New York: Basic Books, 1969.
56. Piaget, Jean. The Psychology of Intelligence. London: Routledge & Kegan Paul, 1967.
57. Piaget, Jean. Structuralism. London: Routledge & Kegan Paul, 1971.
58. Pirsig, Robert M. Zen and the Art of Motorcycle Maintenance. London: Bodley Head,1974.
59. Platt, John R. The Step to Man. New York: John Wiley & Sons, 1966.
60. Polya, G. How to Solve It: A New Aspect of Mathematical Method. Princeton: University Press, 1945.
61. Popper, Karl R. The Logic of Scientific Discovery. London: Hutchinson, 1972.
62. Popper, Karl R. Objective Knowledge: An Evolutionary Approach. Oxford: Clarendon Press, 1972.
63. Pribran, Karl H. The Role of Analogy in Transcending Limits in the Brain Sciences, in Daedalus. Spring 1980.
64. Quiller-Couch, Sir Arthur. On the Art of Writing. Cambridge: Cambridge University Press, 1916.
65. Reilly, Francis E. Charles Peirce's Theory of Scientific Method. New York Fordham University Press, 1970.
66. Richards, LA. The Philosophy of Rhetoric. New York: Oxford University Press 1965.
67. Russell, B. Logic and Knowledge. Edited by R. С Marsh. London: Allen Unwin 1956.
68. Shannon, Claude E., and Weaver, Warren. The Mathematical Theory o1 Communication. Urbana: Univ. of Illinois Press, 1949.
69. Simon, Herbert A. The Sciences of the Artificial. Cambridge: MIT Press, 1969.
70. Skinner, B. F. Verbal Behavior. New York: Appleton-Century-Crofts, 1957.
71. Stebbing, L. Susan. Thinking to Some Purpose. London: Whitefriars Press 1948.
72. Thomson, Robert. The Psychology of Thinking. Harmondsworth, Middlesex Penguin, 1959.
73. Upton, Albert. Design for Thinking: A First Book in Semantics. Stanford Stanford University Press, 1961.
74. Vygotsky, L. S. Thought and Language. Cambridge: MIT Press, 1962.
75. Waddington, С. H. Tools for Thought. London: Jonathan Cape, 1977.
76. Wertheimer, Max. Productive Thinking. London: Tavistock, 1961.
77. Williams, В. 0. B. Task Analysis. McKinsey & Company, Inc. London, 1972.
78. Wittgenstein, L. Philosophical Investigations. New York: Macmillan, 1953.