400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=Specimens+English+prose-writers,+earliest+times+close+17th+century,+sketches+biogr.+literary,+&c.+G.+Burnett+george+burnett 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.