Golden Ratio see also Golden Ratio Borissavliévitch, Miloutine. The Golden Number. Colman, Samuel. Nature's Harmonic Unity: A Treatise on Its Relation to Proportional Form. 1913. $?. Cook, Theodore Andrea. The Curves of Life, Being an Account of Spiral Formations and their Application to Growth in Nature, to Science, and to Art: With Special Reference to the Manuscripts of Leonardo da Vinci. New York: Dover, 1979. 479 p. $11.95. Gardner, Martin. ``Phi: The Golden Ratio.''Ch. 8 in The Second Scientific American Book of Mathematical Puzzles and Diversions: A New Selection. New York: Simon and Schuster, pp. 89-103, 1961. 253 p. 2nd Scientific American collection. $14.95. Ghyka, Matila Costiescu. The Geometry of Art and Life. New York: Dover, 1977. 174 p. $6.95. Herz-Fischler, R. A Mathematical History of the Golden Number. New York: Dover, 1998. 224 p. $14.95. Huntley, H.E. The Divine Proportion. New York: Dover, 1970. 186 p. $5.95. Pacioli, Luca. De Divina Proportione. 1509. Runion, Garth E. The Golden Section and Related Curiosa. Glennville, IL: Scott, Foresman, and Co., 1972. Scholfield, P.H. The Theory of Proportion in Architechture. Thompson, D'Arcy Wentworth. Thompson. On Growth and Form, 2nd ed. New York: Dover, 1992. 1166 pp. $24.95. Vajda, Steven. Fibonacci and Lucas Numbers and the Golden Section: Theory and Application. Ellis Horwood Ltd., 1980. $?. Walser, Hans. Der Goldene Schnitt. Leipzig: Teubner, 1993. 140 p. Now translated into English. Walser, Hans. The Golden Section. Washington, DC: Math. Assoc. Amer., 2001. 132 p. $21.95. Zeising, Adolf. Der Goldene Schnitt. 1884.