Thomas F. Weiss
I want to call attention to the Notes section of the link given by Charlie Roberts.
The link indicates that these records were taken >from the Duplicate records
that are held by the City Archives. These are not the primary records held
in the Jewish Community Center (IKG). The two sets of records
are not identical. I have written an article on the two sets of
vital records, which can be found at Weiss, T. F. (2005). Jewish vital records
in Vienna: Two sets, Avotaynu, Vol. 21, Number 3, pp. 22-24.
I know that the LDS has been filming the primary records held at the
IKG, but I have not found a reference to them in the family search site.
If anyone has the URL of these records, please let us know.