Handbook of Designs and Devices, by Clarence P. Hornung, Dover Publications, Inc., Mineola, NY, © 1959, pp. 18, 64, and 158. Received Aug. 2002. |
Logo Lounge, by Bill Gardner and Catharine Fishel, Rockport Publishers, Goucester, MA © 2003, p. 46. Received Feb. 16, 2007. |
Logo Lounge 2, by Bill Gardner and Catharine Fishel, Rockport Publishers, Gloucester, MA © 2005, p. 79. |
Logo Lounge 3, by Bill Gardner and Catharine Fishel, Rockport Publishers, Gloucester, MA © 2006, p. 79. |
Symbol Sourcebook, by Henry Dreyfuss, Van Nostrand Reinhold Company, New York, NY, © 1972, p. 140. |
Trademarks & Symbols vol. 1: Alphabetical Designs, by Yasaburo Kuwayama, Van Nostrand Reinhold Company, New York, NY, © 1973, pp. 128-129. |
Trademarks & Symbols vol. 2: Symbolical Designs, by Yasaburo Kuwayama, Van Nostrand Reinhold Company, New York, NY, © 1973, p. 137. |