Editors. "Luis I of Spain dies and Philip V returns as King". The Literary Encyclopedia. First published 01 April 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17287, accessed 21 May 2013.]
Luis I of Spain dies, and his father Philip V, who had abdicacted eight months earlier possibly due to awareness of his own mental instability, is forced to return as King.