Electronic mathematics archives

• Linear Algebraic Groups http://www.mathematik.uni-bielefeld.de/LAG/
• Front for the mathematics arXiv http://front.math.ucdavis.edu
• JSTOR http://www.jstor.org
• NUMDAM - Numérisation de documents anciens mathématiques http://www.numdam.org
• Publications IHES at NUMDAM http://www.numdam.org/numdam-bin/feuilleter?j=PMIHES&sl=0
• Goettinger DigitalisierungsZentrum (GDZ) http://gdz.sub.uni-goettingen.de/en/index.html