John Houghton, Prior of the London Charter house, and other
Carthusians are found guilty of treason in refusing to acknowledge
the royal supremacy (they are executed at Tyburn, May 4th).
Citation:
Editors. "Carthusian monks are executed at Tyburn".
The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14888, accessed 26 May 2013.]