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Tsunami Event Information, National Geophysical Data Center / World Data Service: NCEI/WDS Global Historical Tsunami Database. NOAA National Centers for Environmental Information, doi:10.7289/V5PN93H7, retrieved December 14, 2024
ghostarchive.org
Josis–Roland, Françoise (1970). "La basilique Notre-Dame de Walcourt" [The basilica of Our Lady in Walcourt] (PDF). Bulletin de la Commission Royale des Monuments et des Sites (in French): 65. Archived(PDF) from the original on October 9, 2022. Retrieved June 20, 2021.
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Tsunami Event Information, National Geophysical Data Center / World Data Service: NCEI/WDS Global Historical Tsunami Database. NOAA National Centers for Environmental Information, doi:10.7289/V5PN93H7, retrieved December 14, 2024
