Comment on 

Volume 11, article R86 (published Nov 30, 2004)

"Half-Simple Symmetric Venn Diagrams"

Charles E. Killian, Frank Ruskey, Carla D. Savage and Mark Weston

Comment by the authors, March 17, 2006

There are two minor errors in the final version of the paper. Here is a PostScript file and here is a PDF file containing the corrections and their locations. Many thanks go to Stan Wagon for finding these errors.