xAlison Chapman (ed.) and the DVPP team, “The Guelph and the Ghibelline: A Scene from an Unpublished Tragedy,” Digital Victorian Periodical Poetry Project, Edition 0.98.5beta, University of Victoria, 14th October 2022, https://dvpp.uvic.ca/forget/1827/pom_15644_the_guelph_and_the_ghibelline.html.