Editors. "England and the United Provinces agree to subsidise Christian IV of Denmark". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15936, accessed 20 April 2014.]
England and the United Provinces sign the Treaty of the Hague, by which both countries agree to subsidise Christian IV of Denmark in his Protestant campaign in Germany.