xAlison Chapman (ed.) and the DVPP team, “The Story of the ‘Birkenhead.’ Told to Two Children,” Digital Victorian Periodical Poetry Project, Edition 0.98.10beta
, University of Victoria, 30th April 2025, https://dvpp.uvic.ca/macmillan/1864/pom_14113_the_story_of_the_birkenhead.html.