Editors. "Charles I joins his army at York". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=16144, accessed 24 April 2014.]
Charles I, who is preparing to wage war against the Covenanter party in Scotland who have rejected his High Church religious reforms, joins his army at York to travel up to the northern border.