Books and Journals
  Bioelectrochemistry (formerly Bioelectrochemistry and Bioenergetics) --- ScienceDirect
  Bioelectromagnetics
  Biosensors and Bioelectronics --- ScienceDirect
  Electromagnetic Field Theory (Thide - Uppsala - PDF)
  Electromagnetic Waves and Antennas (Orfanidis - Rutgers - PDF)
  IEEExplore (IEEE publications)
  IEEE Transactions on Plasma Science
  Principles of Semiconductor Devices (on-line textbook)
     (on-line textbook --- see WWW section below)
  Small
  Solid-State Electronics --- ScienceDirect

Materials and Methods
  Advanced Power Technology
  Albany Nanotech
  AppCAD (Agilent - HP RF tool kit)
  Artwork Conversion Software (GDSII, Gerber, AutoCAD,...)
  Avtech Electrosystems
  BSIM3/BSIM4 (UC Berkeley Device Group)
  Coilcraft (inductors, filters, magnetics)
  Dielectric Properties of Tissues at RF and Microwave Frequencies
  Digi-Key (electronic components)
  Directed Energy (an IXYS company)
  Electromagnetic Waves (Tutorials, Java applets - Amanogawa.com)
  eMachineShop
  ExpressPCB (printed circuit board prototyping)
  gEDA (GNU public license EDA tools)
  High Voltage Experimenter's Handbook
  Intelligent Micro Patterning
  MOSIS - IC Prototyping and Low Volume Production
  Mouser Electronics (components)
  North Star Research Corporation (pulsed power)
  Open source EDA tools
  Pad2Pad (printed circuit board prototyping)
  PCB (GNU public license EDA tool, cf. gEDA)
  Photo Sciences (photomasks; metal, ITO deposition)
  Radiofrequency Radiation Dosimetry Handbook
  Semiconductor Roadmap (ITRS)
  Semigy Designs (StreamVista - GDSII viewer)
  Signal Processing; Fourier, Hilbert Transform - GREAT TUTORIALS!
  Sockets --- Test and Burn-In (Chip Scale Review)
  Transmission Lines (Tutorials, Java applets - Amanogawa.com)

Maxwell's Equations
  Electromagnetics - P. M. Duxbury, Michigan State University
  Maxwell's Equations
    - HyperPhysics - C. R. Nave, Georgia State University
  Notes on Maxwell's Equations - Lyle Roclofs, Haverford College
  Oman Consulting
  Physics - R. D. Field, University of Florida
  LaPlace's, Poisson's Equations
    - HyperPhysics - C. R. Nave, Georgia State University

Organizations
  Bioelectrochemical Society
  Bioelectromagnetics Society
  Institute of Electrical and Electronics Engineers (IEEE)
  Materials Research Society

WWW
  All About Circuits
  Discover Circuits (David Johnson)
  Electronic Materials
  IC Design Resources - David Parent, San Jose State University
  IC Knowledge
  Introduction to Physical Electronics (connexions - Rice)
  MathWorld - Eric Weisstein's World of Mathematics
  MIT EECS OpenCourseWare
  Principles of Semiconductor Devices (on-line textbook)
  SPICE Handbook of 50 Basic Circuits (on-line textbook)
  WebEE - Electrical Engineering Resource Pages