OXAM (Oxford past exam papers repository)

This is apparently where past exam papers can be found. Paywalled of course.

The paywall is stupid however, as they seem to provide past papers upon request, e.g.

This adds to the mess of having a different location for material per department. Presumably this exists because the central university authority wants to centralize examinations to have better control over degree requirements. If only they would also do the same for all materials and end the mess.