Archives
Austrian Staatsarchiv. Kriegsarchiv included.
Vienna State and Landesarchiv and their guide to Tracing your Ancestors in Vienna.
Familia Austria http://www.familia-austria.at/index.php/en/
Church Records:
Parish registers for Oberöstererich and St. Pölten diocese have been digitized and most of the parishes are available for viewing online. They can be accessed at: www.matricula.findbuch.net.
Gazetteers
www.genteam.at Gazetteer for Czech, Austria, and Slovenia. Also includes many other databases. This site also contains a free online genealogical dictionary containing many Latin and German terms used in the records. Click on links and then see downloads. Free registration is required.
Maps
Maps in Austria on this link: http://maps.doris.at/
Link to Historical Maps of the Habsburg Empire on mapire.eu. Shows historical maps and current google map side by side.
Melderegister
Internet instructions for obtaining Melderegister in Vienna.
Military
A dictionary of K.K. Austrian Regimental positions and ranks.
Military church books Feldsuperiorat Wien: Kriegsarchiv - Church Records
Salzburg
Grundacker, Felix. Die Besitzer der Bauparzellen in Salzburg. [Family History Library book]
Websites
See Galicia for links to maps for that area..