Austrian Genealogy: Genealogical research in Austria, the former duchies, countships, crown lands and other territories. Information about history and geography, surname searches and has a service allowing interactive posting of queries.
Austrian State Archives: Collections, guided tour and genealogy publications.
Cyndi's List: Collection of links for research into Austrian ancestors.
Lower Austrian State Archives: The political entities of the Habsburg Empire and the equivalent modern states where records may be found, advice, and links to other archives.
Tracing your Ancestors in Vienna: Advice on where to find records, planning a visit and further research.