400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=Mémoires+pour+servir+à+l'histoire+civile,+politique+et+littéraire,+à+géographie+et+à+statistique+du+département+Nièvre,+et+des+petites+contrées+qui+dépendent+jean-baptiste+née+rochelle 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.