400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=Horę+homileticę,+or+Discourses,+form+skeletons+upon+whole+Scriptures.+[With]+Appendix.+(With+indexes,+prepared+T.+H+Horne).+annexed+improved+ed.+transl.+[J]+Claude's+Essay+composition+sermon+charles+simeon 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.