400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=confession+faith,+larger+shorter+catechisms,+scripture-proofs+large.+Together+sum+saving+knowledge,+covenants,+&c+assembly+divines+confess.+catech because the request was invalid.

This might be because the link was created a long time ago. Try your search again on Google. That’s all we know.