The H-R Diagram is not included in the online content. But I've heard of these really strange places where you can get Physical Copies of Books and Magazines. I think they are called "Libraries" and there is this other place that I've heard called a "Book Store".One: scientific american is commonly an oxymoron outside of scioly.
Two: I don't suscribe 2 it.
Three: can you send a link to the diagram if possible?