400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=Imperial+magazine;+or,+Compendium+religious,+moral,+philosophical+knowledge.+Vol.1-12.+2nd+ser.+(ed.+S.+Drew).+Vol.1-4 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.