Keep this knowledge online
Your support keeps these pages online, free and without ads, and brings back what is still missing.
These pages were almost lost when the original website went offline. We restored them and keep them free, without ads. Servers, storage and backups are paid for by readers like you.
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Where your support goes
Servers and bandwidth
Keeping every restored page online and fast for readers around the world.
Restoring what is left
Fetching and checking the pages, images and languages that are not restored yet.
Lectures and files
A larger server, so the original recordings and documents can be played and downloaded again.
Backups
Several copies in different places, so this archive is never lost again.