Line drawing of Thomas Dongan, 2nd Earl of Limerick
Unknown author<span style="display: none;">Unknown author</span>
Unknown date<div style="display: none;">Unknown date</div>, pre 1900
<a rel="nofollow" class="external text" href="https://archive.org/stream/catholicencyclop05herbuoft#page/130/mode/1up">Catholic Encyclopedia vol. 5 p.130</a>