Blackmore: Markets and Fairs

British History Online has published a Gazetteer of Markets and Fairs down to 1516. Under the section dedicated to Essex there are local entries for Blackmore ( http://www.british-history.ac.uk/report.aspx?compid=40415#dskey-c3) and Ingatestone and Writtle (http://www.british-history.ac.uk/report.aspx?compid=40415&startPage=2 )