Australian sites:

Melbourne Wagner Society
http://www.wagnermelb.org.au/

Brisbane Wagner Society http://www.members.optusnet.com.au/kbclifford/

Sydney Wagner Society
http://www.wagner-nsw.org.au/

International sites:

New Zealand Wagner Society
http://www.wagnersociety.org.nz/

Wagner Operas
http://www.wagneroperas.com/