6 links
Into the Realm of Oberon: An Introduction to Programming and the Oberon-2 Programming Language
amazon.com
Descriptions, reviews, purchase source. [Amazon.com]
ModulaWare Modula-2 and Oberon-2 Bibliography
modulaware.com
Lists books, articles on programming languages Modula-2, Oberon-2, and the Oberon system; Oberon list is incomplete, but has the most important books, with direct links to Amazon.
Object-Oriented Programming in Oberon-2
amazon.com
Descriptions, reviews, purchase source. [Amazon.com]
Programming in Oberon: Steps Beyond Pascal and Modula
amazon.com
By Martin Reiser, Niklaus Wirth; ACM Press, 1992, ISBN 0201565439. Purchase source. Concise, illustrative, clear style, many examples, exercises; see how stepwise refinement, data …
Project Oberon: The Design of an Operating System and Compiler
amazon.com
Descriptions, reviews, purchase source. [Amazon.com]