On the Development of Algol
- Thesis by R. Morrison describing an implementation of S-Algol. Abstract. Text in PDF format.
- http://www-old.cs.st-andrews.ac.uk/research/publications/Mor79a.php

ALGOL 68
- Growing article, with links to many related topics. [Wikipedia]
- http://en.wikipedia.org/wiki/ALGOL_68

László Csirmaz
- There is an Algol 68 interpreter for DOS and Linux here.
- http://www.renyi.hu/~csirmaz/

Programming denotational semantics II
- using Algol 68. Abstract and text in PDF form from The Computer Journal, Volume 28, Issue 5, pp. 480-486.
- http://comjnl.oxfordjournals.org/cgi/content/abstract/28/5/480

Practical experience with ALGOL 68-RT
- Abstract and text in PDF form from The Computer Journal, Volume 22, Issue 2, pp. 114-118.
- http://comjnl.oxfordjournals.org/cgi/content/abstract/22/2/114

An Experimental Testbed for Numerical Software, part 2: ALGOL 68
- By M.A. Hennell, D, Hedley; The Computer Journal, Volume 22, Issue 1, pp. 53-56. Abstract and text in PDF format.
- http://comjnl.oxfordjournals.org/cgi/content/abstract/22/1/53

A comparison of PASCAL and ALGOL 68
- Abstract and text in TIFF form from The Computer Journal, Volume 21, Issue 4, pp. 316-323.
- http://comjnl.oxfordjournals.org/cgi/content/abstract/21/4/316

The Algol Bulletin
- The historical IFIP WG2.1 series of Algol Bulletins. [Required ACM Web account]
- http://portal.acm.org/browse_dl.cfm?idx=J33

The Use of ALGOL 68 for Trees
- By H.D. Baecker; The Computer Journal, Volume 13, Issue 1, pp. 25-27. Abstract and text in PDF format.
- http://comjnl.oxfordjournals.org/cgi/content/abstract/13/1/25

A Shorter History of Algol 68
- A short text of the language's history.
- http://npt.cc.rsu.ru/user/wanderer/ODP/ALGOL68.txt

Algol68
- A synopsis of the features of Algol 68.
- http://www.cap-lore.com/Software/Algol68.html

ALGOL 68 - 3rd generation ALGOL
- Entry in an interactive historical roster of computer languages.
- http://hopl.murdoch.edu.au/showlanguage.prx?exp=311&language=ALGOL%2068

Home Page of W. B. Kloke
- Has versions of Algol 68 Revised Report (in .dvi, .ps and .pdf formats) and numerous Algol 68 related links.
- http://vestein.arb-phys.uni-dortmund.de/~wb/

99 Bottles of Beer on the Wall
- Algol 68 version.
- http://www.99-bottles-of-beer.net/

VanWijngaarden MR76.pdf
- A. vanWijngaarden's MR76 paper on the orthogonal design of a language from 1965, which was the starting point of Algol 68.
- http://www.fh-jena.de/~kleine/history/languages/VanWijngaarden-MR76.pdf

Algol 68
- EMX and Linux ports of A68ToC, the MC Revised ALGOL 68 Test Set, early version of OCCL compiler, other Algol 68 related items.
- http://www.nunan.fsnet.co.uk/algol68/

Historic Documents in Computer Science
- Has scans of many Algol 68 documents including the RRE Algol 68R 'Green Book.'
- http://www.fh-jena.de/~kleine/history/history.html

Marc's Programming Projects
- Unfinished project to write Algol 68 compiler; source code provided in CWEBx.
- http://wwwmathlabo.univ-poitiers.fr/~maavl/myprojects.html

IFIP Working Group 2.1
- The WG that developed the Algol languages.
- http://web.comlab.ox.ac.uk/oucl/work/jeremy.gibbons/wg21/

Algol 68 Compiler
- By Aristotelis Tsirigos; designed, implemented for compiler course at NYU, goal: compiler for a subset of Algol 68 that is able to bootstrap.
- http://homepages.nyu.edu/~at570/compiler.html

Computer Engineering by Gordon Bell et al.
- A brief description of ALGOL 68 System implemented on Cm*.
- http://research.microsoft.com/users/GBell/Computer_Engineering/00000506.htm

Algol 68 to C
- Portable translator to allow compiling Algol 68 code, and some example Algol 68 programs in the same directory.
- http://www.csse.monash.edu.au/~lloyd/tildeProgLang/Algol68/

An Introduction To Algol 68
- The second ACM SIGPLAN conference on History of programming languages.
- http://portal.acm.org/citation.cfm?doid=154766.155381

Algol 68 Genie
- Algol68G is a well featured Algol 68 implementation (interpreter) for Linux, BSD, and MacOS. Author: Marcel van der Veer. [Open source, GPL]
- http://www.xs4all.nl/~jmvdveer/algol.html

A History of ALGOL 68
- By C.H. Lindsey; ACM Digital Library, 1993, ISSN 0362-1340. Abstract of article from the Second ACM SIGPLAN Conference on History of Programming Languages, 1993. Full text for ACM members only.
- http://portal.acm.org/citation.cfm?id=155365

Charles Lindsey's Home Page
- Algol 68S compilers for Sun3, Sun Sparc, Atari ST and Acorn Archimedes.
- http://www.cs.man.ac.uk/~chl/