* [[http://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind0707&L=outres&T=0&F=&S=&P=48|OUTRES]] (jiscmail)
  * [[https://lists.princeton.edu/cgi-bin/wa?A2=ind0707&L=aeelist&T=0&F=&S=&P=477|EE-List]] (Princeton)
  * [[http://groups.google.com/group/teachAndLearnOnline/browse_thread/thread/d6d4acb580c98288/ceb184e8b84deaef#ceb184e8b84deaef|Teach and Learn Online]] (Google Groups)
  * [[http://groups.google.com/group/outdooreducation/browse_thread/thread/d6d4acb580c98288|Outdoor Education]] (Google Groups)