[Oberon] 30th anniversary of Oberon

[Joerg]

> Do we actually have access to the source code of the earlier versions of the Oberon System, especially the one referred to by the 1988 paper (see https://doi.org/10.3929/ethz-a-000487176, ...

I don‘t. The question is: what do you want to do with it? You will need access to a Ceres machine or Ceres emulator.
The compiler will generate code for the NS32032, Display.Mod will need the Ceres screen and Mouse.Mod will connect to what ever mouse HW was hip at that time.

Jörg