||Frank Edwards, Wristwatches--A Connoisseur's Guide, Nov. 18, 1997, 4 pages, A Firelfy Book. cited by other.
Adrian Frutiger, Signs and Symbols--Their Design and Meaning, 3 pages. cited by other.
Font Bureau--Type Specimens, 1995, 2 pages, The Font Bureau, Inc., Boston Massachusetts. cited by other.