European Consortium for Mathematics in Industry
- Group of ten European mathematical institutes who aim to offer their knowledge and expertise to European industry. Organisational and membership information, newsletters, events, and details of outreach activities.
- http://www.ecmi-indmath.org/

Connection Between DDC21 and MSC2000
- Translating the AMS Mathematics Classification Scheme into Dewey Decimal and vice versa.
- http://www.math.unipd.it/~biblio/msc-cdd/

Referativni Zhurnal Classification Scheme
- Translated by Bogdan Dudzik.
- http://www.ams.org/mathweb/Classif/RZhClassification.html

Information for Readers of sci.math.research
- Charter and useful information for this moderated research-level newsgroup .
- http://www.math.uiuc.edu/sci.math.research/

MSC2000
- The current Mathematics Subject Classification proposed by the AMS. HTML, PDF.
- http://www.ams.org/mathweb/msc2000/