From Artdaily.org, September 20, 2009, "Original Cartoon Artworks of Charles Addams to be shown at the Bruce Museum", this notice of an exhibition, Charles Addams: Cartoonist,  of approximately 40 Addams originals  to be shown from October 3, 2009 - January 24, 2010. : www.artdaily.org/index.asp 

The Bruce Museum's site:  www.brucemuseum.org/exhibitions/upcoming_exhibitions.php 

From The Jerusalem Post, September 18, 2009, "Drawn into Conflict", this piece on an exhibition, Cartoons in Conflict, at  The Israel Cartoon Museum, 61 Weizmann St. Holon from September 12, 2009  to December 12, 2009 ( Liza Donnelly's work is represented): www.jpost.com/servlet/Satellite