Oakwood Guidelines - A companion to the O2 language report which clarifies issues for compiler writers and users www.math.tau.ac.il/~guy/Oberon/oakwood.txt
Oberon-Kurs OOP.Text - OBJECT-ORIENTED PROGRAMMING IN OBERON-2 - Tutorial statlab.uni-heidelberg.de/projects/oberon/kurs/www/Oberon2.OOP.html
The ModulaTor Technical Publication - 72 issues of The ModulaTor: Articles about the programming languages Oberon-2 and Modula-2: programming examples, implementation notes, language comparisons, and language design. www.modulaware.com/mdltr_.htm
The Oberon Programming Language: Hello World! - The Oberon Programming Language - information at University of Michigan. www.engin.umd.umich.edu/CIS/course.des/cis400/oberon/oberon.html