Battles of the Hindenburg Line

[Flatlanders]

Hoping for a steer here, perhaps from Michael Dorosh.  Though my reading on the subject is limited, I was always of the view that the Battle of the Canal du Nord was one of the decisive battles of the Hindeburg Line.  However recently, I have been encountering writing on the subject attributing the breach of the line solely to the Australians and Americans, with no mention of Canal du Nord.  Am I wrong in my recollection?  More importantly, is there a good source or two that would have a global view of the situation as opposed to being confined to a single national point of view?

Thanks for your help.

Flatlander