Internet Archive 2001 A Space Odyssey -

Filter by 2000–2002 if you want the "2001" context.

: You can read various editions of the 2001: A Space Odyssey novel by Arthur C. Clarke, which was developed simultaneously with the film. The Archive also hosts rare early screenplay drafts from 1965, showing how the story evolved before reaching the screen.

The Internet Archive's has snapshots of Kubrick-related fan sites from 2001. Try:

"Filming 2001: A Space Odyssey" by Herb Lightman - Internet Archive