400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=plain+succinct+narrative+late+riots+...+cities+London+Westminster,+borough+Southwark,+account+commitment+lord+G.+Gordon+Tower,+anecdotes+his+life,+William+Vincent+thomas+holcroft 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.