Thanks very much to everyone who recommended books with pictograms.  The recommendations are:

Pierce, Todd.  The international pictograms standard. Cincinnati, Ohio : ST Publications, c1996.
**This book was the most-recommended item.  I tried to find it through Books in Print and Amazon but it wasn't available.  It can be purchased directly from Todd Pierce's company, Design Pacifica.  The book and CD-ROM are sold bundled together for $119.00 plus $12.00 s/h.  Send purchase orders or checks (no credit cards) to PICTOGRAM, 414 SE Grand Avenue, Portland, OR 97214.  Make check/p.o. out to PICTOGRAM.

Symbol signs / American Institute of Grapic Arts, 1993.

Handbook of Pictorial Symbols by Rudolf Modley.

The Ultimate Symbol collection.  Stony Point, N.Y. : Ultimate
               Symbol, c1994-2000.  Vol. 1. Official signs & icons -- Vol.
               2. Nature icons -- Vol. 3. Design elementscreation.
               Collection of official signs, symbols, and icons.
Volume 1 is pictograms.

http://home.arcor.de/kj.wagner/pictograms/Picto1972.htm

TI: Munich 1972: the graphic image of the XX Olympic games
AU: BEIL,-Brigitte
SO: Graphis v 28 no160 1972/1973. p. 148-57.

Thanks again - Sara
--------------------------------------
Sara J. MacDonald, Public Services Librarian
The University of the Arts - University Libraries
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