Parentless Concepts
- Austrian Academy of Sciences
- Austrian Exchange Service
- Austrian Research Foundation
- Austrian Research Promotion Agency
- painting
- musical notation
- mxf
- mystery
- newscast
- National Fund of the Republic of Austria for Victims of National Socialism
- not applicable (or unknown)
- ogg
- open access
- opera
- original
- other
- poster
- postcard
- preprint
- proof