Not really. It has Scheme before Common Lisp which is fine but where is McCarthy's Lisp which was an ancestor of both of them? And Algol is not one language but several: Algol-60, Algol-68, Algol-W, ... And where is Turbo Pascal? There is so much mainstream stuff missing that it's hard to see any point in it; except perhaps an exercise in interactive grapics in which case the content is a kind of lorem ipsum.