Blanc P.-L. Earthquakes and tsunami in November 1755 in Morocco: a different reading of contemporaneous documentary sources. Nat. Hazards Earth Syst. Sci. 2009; 9: 725–738. Online PDFArkiverad 9 november 2016 hämtat från the Wayback Machine.. Läst 2012-03-09. 2009-05-27.
Blanc P.-L. Earthquakes and tsunami in November 1755 in Morocco: a different reading of contemporaneous documentary sources. Nat. Hazards Earth Syst. Sci. 2009; 9: 725–738. Online PDFArkiverad 9 november 2016 hämtat från the Wayback Machine.. Läst 2012-03-09. 2009-05-27.