The Da Vinci Notebooks
Perpignan.
Roanne.
Lyons.
Paris.
Ghent.
Bruges.
Holland.
249:587 : Roana does not seem to mean here Rouen in Normandy, but is probably Roanne (Rodumna) on the upper Loire, Lyonnais (Dep. du Loire). This town is now unimportant, but in Leonardo's time was still a place of some consequence.