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I think listing them on separate landing pages like you mentioned is the best way to do it. Are there cases where some of those sub pages could be placed into a sub-sub category to help clean up the look of the overwhleming listing of pages? Could you instead provide a search box that might filter / list related pages instead of showing all the pages? What is your ultimate goal for all that content? Scott O.

Ok got you. They have definitely messed up with the canonical thing. But Google is definitely not going to follow this wrong instruction. Canonical tag is just a signal and if you are setting it incorrectly, Google will not follow that. So, that means all the pages of that directory will get indexed and you will get value for your website. Hope that helps.

Pleasure. Shout if I can help!