400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=New+monthly+magazine+universal+register.+[Continued+as]+New+monthly+magazine+literary+journal+(and+humorist)+[afterw.]+New+monthly+(magazine). 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.