Mathematical links
Publishers
Springer
Princeton
Cambridge
International Press
World Scientific
Interesting sites
Mathematics on the web
AMS journal abbreviations
Mathematics Subject Classification
Transpennine Topology Triangle
Arithmetic Geometry Network
Diophantine Network
Personal home pages
Kevin Buzzard
John Cremona
Algorithms for Modular Elliptic Curves
(John Cremona 1997)
Collected works of Robert Langlands
James Milne
William Stein's tables
Richard Taylor
Universities and research institutes
In addition to the general list of sites above, here are some particular ones:
DPMMS, Cambridge
Mathematical Institute, Oxford
Grenoble
Strasbourg
Newton Institute, Cambridge
Luminy
Oberwolfach
Max Planck Institut, Bonn
Berkeley
TeX sites
UK TeX archive (web site)
UK TeX archive (ftp site)
Paul Taylor's diagrams package