Charles O'Conor of Mount Allen as a young man.
Unknown author<span style="display: none;">Unknown author</span>
Charles O'Conor of Ballinagare, Life and works. Luke Gibbons &amp; Kieran O'Conor, editors, Four Courts Press, 2015 (in illustrations section and given courtesy of Pyers and Marguerite O'Conor-Nash of Clonalis House)