400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=Antonii+Dadini+Alteserrę+...+opera+omnia,+cura+M.+Marotta.+Ed.+Neapolitana.+11+tom.+[in+12].+antoine+dadin+hauteserre 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.