Hennepin (Emoticons. The merging of the words emotion and lexicon are little face images made up of characters on your keyboard that help give context and nuance to what you write)

Dern, D.P. Internet guide for new users, 1994: p. 321 (smiley, emoticon (a more official name for smiley faces))

NY Times, 1/11/95: pp. c-6 (Smilies)

LC database, 4/26/95 (Smileys)