xAlison Chapman (ed.) and the DVPP team, “‘I heard (alas, ’twas only in a dream)’,” Digital Victorian Periodical Poetry Project, Edition 0.98.8beta, University of Victoria, 30th June 2023, https://dvpp.uvic.ca/blackwoods/1819/pom_7777_i_heard_alas_twas_only_in_a.html.