xAlison Chapman (ed.) and the DVPP team, “A Ballad of Tief-Blau Wasser,” Digital Victorian Periodical Poetry Project, Edition 0.98.11beta
, University of Victoria, 7th May 2025, https://dvpp.uvic.ca/argosy/1897/pom_20030_a_ballad_of_tiefblau_wasser.html.