400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=plays+Shakespeare,+text+S.+Johnson,+prefaces,+notes+&c.+Rowe,+Pope+many+other+critics.+6+vols.+[in+12+pt.+Followed+by]+Shakespeare's+poems+william+shakespeare 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.