Editors. "Pope Pius V signs a league with Spain and Venice against the Turks". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15123, accessed 20 April 2014.]
Pope Pius V joins a league with Spain and Venice in an effort to combat the aggressions of the Ottoman Turks.