400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=Lexicon+atriale+latino-latinum,+simplices+nativas+rerum+nomenclationes,+č+Janua+linguae+Latinae+jam+notas,+elegantes+varič+commutare+docens+joannes+amos+comenius 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.