Forum:Fmous witches and wizard cards being considered cannon

I was reading the page for Merlin and I heard saw that almost all of the information in the article, and for some other articles, is from Famous withches and wizards cards. This is not in conflict with the book, but still, is it considered cannon?Harry Potter Fantic 1 21:53, 4 December 2007 (UTC)Harry Potter Fantic 1