‘Icon’ (pub. 19.03.18-11:58). Quote in M. Bergman & S. Paavola (Eds.), The Commens Dictionary: Peirce's Terms in His Own Words. New Edition. Retrieved from http://www.commens.org/dictionary/entry/quote-letters-mario-calderoni-12.
Quote:
…icons, or those signs which represent their objects by virtue of a resemblance or analogy with them…
Source:
Peirce, C. S. (1905). Letters to Mario Calderoni. MS [R] L67.
URL:
http://www.commens.org/dictionary/entry/quote-letters-mario-calderoni-12