UCard Activation for after hours access
University of Minnesota Department of Chemistry
Minnesota Mass Spectrometry Discussion Group: MinnMass
The American Society for Mass Spectrometry ASMS
The Association of Biomolecular Research Facilities ABRF
NIST Webbook Has a large library of Mass Spectra
NIST Polymer Division has a collection of recipes for MALDI analysis of polymers
Spectroscopy Now Mass Spectrometry Resource Spectroscopy Now