I only recently got introduced to this website. Basically, fans have made available transcripts of those Doctor Who episodes that no longer exist on video or film, including episodes that do exist so that story arcs will be complete. This has been primarily using existing audio for these episodes, along with information for novelizations, camera scripts, and other sources where available. Anyway, it's nice to know that my imagining of the Doctor Who series can now be mostly complete. Or more complete, at any rate.
THE DOCTOR WHO SCRIPTS PROJECT Enjoy!