400. That’s an error.

Google cannot redirect you to http://www.ingentaconnect.com/content/oup/hiscol/2003/00000015/00000001/art00147;jsessionid=vwv5hlmnxwpk.alice?format=bib 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.