Standard card sizes

I was looking into some standard card sizes so that we can put the basic rectangles in our G and design.
I know 2 sizes but was looking for more and here is one nice chart I found at enchantart.com which I liked the best.
 Here is the link for the photo
http://enchantart.com/blog/wp-content/uploads/2009/10/Card-and-Envelope-Chart2.jpg

and for the pdf file- http://www.enchantart.com/Download/Guide_to_Card_Sizes.pdf

Hope it helps save someone the searching time :)