Mathematics & Physics

MacTutor: excellent archive for the History of Mathematics
A lot of pictures of famous physicists
European Mathematical Information Service
American Mathematical Society

Math & Physics Databases

Database of the European Mathematical Society

Electronic journals

Mathematical Physics Electronic Journal
Electronic Journal collection
The World-Wide Web Virtual Library: Mathematics
EMIS ELibEMS: Mathematical Journals
The Probability Web
Nature
Scientific American
La Recherche
Communications in Mathematical Physics
Prob.Th. & Rel.Fields

Electronic archives

Probability Abstract Service (France)
Probability Abstract Service (USA)
mp_arc
xyz
xxx
babbage (mirror of xxx in Italy)
ESI Preprints

Special topics

Heisenberg Model Home Page (in Belgium)

Scientific publishers

Academic Press
BirkhSuser Basel
IOP Publishing
Springer-Verlag
Walter de Gruyter

Nice links

and a lot of other pictures of castles or towns in Switzerland