THE TECHNOLOGY OF CREATIVITY: NO 1, APRIL 1998.
1998. First printing. 57 pages. More
1998. First printing. 57 pages. More
New York: Basic Books, 1979. First printing. 221 pages. More
Scranton: International Textbook Company, 1936. First edition. N145C; Three essays with separate pagination: 84, 103 & 78 pages. More
London: Routledge, 1973. First printing. With assistance of Avril Blake; 127 pages. More
New York: Macmillan, 1977. 173 pages. More
Peter Peregrinus. 115 pages. More