Bibliographical sources mentioned in this text:
Belleforest 42.5
Cĉsar, Iulius : Bk.11 De Bello Gallico 42.4
François, Isaac is mentioned in the cartouche of the Touraine map as its maker Ort42
Marcellinus, Ammianus 42.4
Ptolemĉus 42.4
Turonensis, Gregory 42.4