If it wasn't for these clips on YouTube, the movie probably wouldn't be available at all. It is frequently used as archival footage in documentaries about Coppola and Lucas, but rarely as a whole film. It is not included on the DVD of The Rain People or any other DVD by Coppola or Lucas.
References:
- The YouTube channel, Genursus, has the sub-heading "Dyenamic Films". There is a link to the Dyenamic Films website. The "About" page indicates it is run by Christopher Dye.
The whole movie on YouTube: