- Calendar conversion tool for printing calendars in the Gregorian or Julian calendar systems.
Internationale Dokumentation Elektroakustischer Musik
- This relational database of 20,000+ electro-acoustic compositions (as of January 2000) was developed by the Technische Universitšt in Berlin in collaboration with the German Society for Electroacoustic Music. It is a valuable resource for the history of twentieth-century music. It is fully searchable online and is also downloadable.
The History Data Service
- Resources for historical data pertaining to the United Kingdom. The associated Data Archive contains a large collection of machine-readable materials in the social sciences and humanities. The linked BIRON catalogue is also useful.