400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=Loca+infesta,+hoc+est+Infestis+ob+molestantes+daemoniorum+et+defunctorum+hominum+spiritus+locis,+liber+unus...+authore+Petro+Thyraeo,...+Accessit+ejusdem+Libellus+terriculamentis+nocturnis...+petrus+thyraeus 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.