Declaratio causarum, : quibus serenissimus rex Nauarræ, primus regii Francorum sanguinis Princeps, ejusdemque Regni heres &c. externum militem conscribere coactus est. In qua & totius huius postremi ciuilis bellifontes & causæ breuiter aperiuntur.
Version 3 can be requested by using "Content Negotiation" as described in IIIF API Version Switching