- CA, 2009. Kooiman, Helen,
Walter Knott:
Keeper of the Flame, pp. 171–84,
Plycon Press, Fullerton, CA, 1973. Flint,
Peter B. (December 5, 1981). "Walter...
- 1965. Kooiman, Helen.
Walter Knott:
Keeper of the Flame, pp. 3–4, 100–1,
Plycon Press, Fullerton, California, 1973. Merritt,
Christopher and Lynxwiler,...
- 2010-05-02 Davis, Rebecca; Tuntland,
Carol (1996). The
Textiles Handbook.
Plycon Press. ISBN 9780916434113. Reichman,
Charles (1961).
Double Knit Fabric...
-
Helen (1973).
Walter Knott:
Keeper of the Flame. Fullerton, California:
Plycon Press. Peyton,
Paige M. (2012). Calico.
Images of America. Charleston, South...
- (1982).
Illustrated Guide to Food
Preparation (4th ed.).
Redondo Beach, CA:
Plycon Press. Nelson,
David L.; Cox,
Michael M. (2005).
Lehninger Principles of...
- 1965. Kooiman, Helen.
Walter Knott:
Keeper of the Flame, pp. 3-4, 100-1,
Plycon Press, Fullerton, California, 1973. Merritt,
Christopher and Lynxwiler,...
- CA, 2010. Kooiman, Helen,
Walter Knott:
Keeper of the Flame, pp. 159–64,
Plycon Press, Fullerton, CA, 1973. Salts, Christiane,
Cordelia Knott: Pioneering...
- California, 1956. Kooiman, Helen.
Walter Knott:
Keeper of the Flame, p. 103,
Plycon Press, Fullerton, California, 1973. Merritt,
Christopher and Lynxwiler,...