Disputatio:Dum transirem Danubium
Info[recensere]
Author uncertain, in principio gives both Gautier de Chatillôn and Galterius poeta. Some more info on the manuscript it's from:
City : LIEGE
Library : BU
Shelf Mark : 77 B
Date : XII
Folio : 72
And finally: https://archive.org/stream/bulletindelacom29hisgoog#page/n154/mode/2up