O'Hegarty, P. S. (1949). Charles Bradlaugh, his life and work. By his daughter Hypatia Bradlaugh Bonner (read before the Bibliographical Society of Ireland, 27 Oct., 1947).
Lua i Stíl Chicago (17ú heag.)O'Hegarty, P. S. Charles Bradlaugh, His Life and Work. By His Daughter Hypatia Bradlaugh Bonner (read Before the Bibliographical Society of Ireland, 27 Oct., 1947). 1949.
Lua MLA (9ú heag.)O'Hegarty, P. S. Charles Bradlaugh, His Life and Work. By His Daughter Hypatia Bradlaugh Bonner (read Before the Bibliographical Society of Ireland, 27 Oct., 1947). 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
