Alan -

There are a number of contacts on this page:
http://www.jewishgen.org/cemetery/w-europe/austria.html

Moedling (has an unlaut) is listed under Viennese cemeteries on this page:
http://www.ikg-wien.at/static/etis/unter/html/re_index.htm

Please have him report back what he finds to us cemetery project
volunteers, if he could fill out this form it would be most helpful to
future researchers
http://www.jewishgen.org/cemetery/instructions/neesurvey.html

Kitty Cooper Albuquerque NM (USA)
IAJGS cemetery volunteer
family page http://kittymunson.com/Thannhauser/index.html