These files contain the source for all the examples in:

The LaTeX Graphics Companion 

Illustrating documents with 
TeX and PostScript 

by Michel Goossens, Frank Mittelbach, and Sebastian Rahtz
0-201-85469-4 * Paperback * 608 pages * 1997

(for more details see http://www.aw.com/cp/tlgc.html)

Each example in the book is numbered, and source can be found in the
corresponding file here

Sebastian Rahtz
April 1997