ABC Programmer's Handbook
- By Leo Guerts, Lambert Meertens, Steven Pemberton; Bosko Books, 2005, ISBN 0954723945. Full details of language, implementations; many sample programs. Downloads for several ABC implementations. [idhub.com]
- http://idhub.com/abc/

ABC Programming Language
- Growing article, with links to many related topics. [Wikipedia]
- http://en.wikipedia.org/wiki/ABC_programming_language

A Short Introduction to the ABC Language
- Python's predecessor. Interactive language, environment for personal computing, originally intended as replacement for BASIC. Designed by first doing task analysis of programming. Home site, description, code samples, downloads, contact. English, Nihongo.
- http://homepages.cwi.nl/~steven/abc/

Hello, World Program
- Classic test program, written in ABC.
- http://www2.latech.edu/~acm/helloworld/abc.html