Interesting links
http://www.lawsofform.org/ (laws
of form)
http://www.enolagaia.com/Bib.html
(English terms, and explainations)
http://www.netzservice.de/Home/maro/mr_ml.html
(mailing lists)
http://www.netzservice.de/Home/maro/mr_luhin.html
(further links)
http://www.uni-bielefeld.de/sozsys/
(newspaper, social system)
http://home.attbi.com/~miketerpstra1/glossary.html
(glossary, in English)
http://www.uni-kassel.de/~bornmann/luhmann.htm
(glossary)
http://www.spacetime-publishing.de/luhmann/index.html
(art and communication)