Editors. "Terrorist massacre of Irish family at Maamtrasna". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18863, accessed 21 May 2013.]
An Irish family, in the service of the Marquess of Clanricarde, is murdered on their way to mass by the 'Invincibles', a secret Irish terrorist society, but no-one is ever brought to trial.