Some web sites of NMR laboratories dealing with half-integer quadrupole spins are provided:

• J.-P. Amoureux
  UCCS, Lille, France
• Alex D. Bain
  McMaster University, Canada
• G. Bodenhausen
  ENS, Paris, France
• David L. Bryce
  University of Ottawa, Canada
• Jerry Chun-Chung Chan (陳振中)
  National Taiwan University
  Department of Chemistry, Taiwan
• Shang-wu Ding (丁尚武)
  National Sun Yat-sen University
  Department of Chemistry, Taiwan
• H. Eckert
• G. A. Facey
  NMR Facility BLOG
  University of Ottawa
• C. Fernandez
  ENSICAEN, Caen, France
• D. Freude
  Universität Leipzig
• L. Frydman
  Weizmann Institute of Science
• Philip J. Grandinetti
  Department of Chemistry
  Ohio State University
• Clare P. Grey
  Department of Chemistry
  University of Cambridge, UK
• P. Heitjans
  Leibniz Universität Hannover, Germany
• A. P. M. Kentgens
  Radboud University Nijmegen, The Netherlands
• Ilya Kuprov
  University of Southampton, UK
• Malcolm H. Levitt
  University of Southampton, UK
• P. K. Madhu
  Tata Institute of Fundamental Research
  Mumbai, India
• D. Massiot
  CEMHTI-Orléans, France
• National High Magnetic Field Laboratory
  Tallahassee
• Niels Chr. Nielsen
  Department of Chemistry
  University of Aarhus
• A. Pines
  UCB, Berkeley
• M. Pruski
  Ames Laboratory
  Iowa State University
• Pekka Pyykkö
  University of Helsinki
• A. Samoson
  Tallinn University of Technology, Estonia
• R. W. Schurko
  Solid-State NMR @ FSU
• M. Smith
  University of Southampton, UK
• Jonathan F. Stebbins
  Stanford Magnetic Resonance Laboratory
  Department of Geological and Environmental Sciences
• R. Wasylishen
  Solid State NMR at the University of Alberta, Canada
• S. Wimperis
  Department of Chemistry
  Lancaster University, UK
• G. Wu
  Queen's University, Canada

• YouTube: Global NMR discussion meetings
• NMR spectroscopy (C13, H1)
  Michigan State University
• Polymer Spectroscopy
  Prof. Dr. Hans W. Spiess
• Spectral Database for Organic Compounds
  National Institute of Advanced Industrial Science and Technology (AIST), Japan
• Proton Chemical Shifts
  Hans J. Reich
  Department of Chemistry
  University of Wisconsin
• HRMAS
  Shaoxiong Wu
  NMR research center
  Emory University