They're not the same link—the articles' text are the same, but they come with different sets of images. The cam.ac.uk seems to be the "correct" version, since

They're not the same link—the articles' text are the same, but they come with different sets of images. The cam.ac.uk seems to be the "correct" version, since it contains the drawing described in the corresponding text as: "...such as the lady in a litter seen in this image taken from a travelogue (owned by Strahov Monastery) of...". The medievalists.net version erroneously omits this drawing. The medievalists.net version is... whatever the digital equivalent of a "misprint" is.