404. That’s an error.

The requested URL /translate_c?depth=1&langpair=en%7Ces&rurl=translate.google.com&twu=1&u=http://www.gmajormusictheory.org/Fundamentals/workbooks.html&usg=ALkJrhibnqOKc-3R1jiDGQPeJe_hJangWA was not found on this server. That’s all we know.