Here is a preview of the work I've been doing on the "comparisons" front.
Note that everything is colour coded (provincial elections) but I'm not quite done, so, some colours are misplaced.
Also, the federal (divided by province) results are not yet done or error checked.
Also, it does not contain the full results, which go back to 1867, and frankly, will go back before that too.
Regardless, this is what I have so far: