U blad : Utrechts universiteitsblad.

Presentation manifest version 2 : https://objects.library.uu.nl/manifest/iiif/v2/1874-353031

Presentation manifest version 3 : https://objects.library.uu.nl/manifest/iiif/v3/1874-353031

Image manifest version 2 : https://objects.library.uu.nl/fcgi-bin/iipsrv.fcgi?IIIF=/manifestation/viewer/info.json

Version 3 can be requested by using "Content Negotiation" as described in IIIF API Version Switching