Handbook of Pictorial Symbols, Dover Publicatrions, Inc., envelope symbol, p.ix, mail box, p. 95, top three rows of envelope images, p. 56, post office and mail box images, p. 76, 1976. |
Symbol Sourcebook, Henry Dreyfuss, Van Nostrand Reinhold Co., top three rows of communication symbols, p. 70, 1972. |
Mastering Windows 3.1, Sybex, open mail icon and compose mail icon, p. 910, 1993. |
Family Tree Maker for Windows Reference Manual, Banner Blue, Inc., address icon, p. 49, 1993. |
Reunion for Windows 3.0 User's Guide, Leister Productions, envelope icon, p. 49, 1993. |
Macintosh Bible, Second Edition, Goldstein & Blair envelope icon, p. 167, 1988. |
hDC Windows Express Editor, hDC Corp., overlapping envelope icon, p. 37, 1988. |