There are many websites with some of the DLI/FSI materials. Many of them try to "make money" with this free material. Some though do provide work on the material like re-recording of the old audio, re-formatting of documents. I'll put the links I know or find during my researches, but be careful .. don't pay for something which is free of charge on other sites.
Many sites use the FSI/DLI material as hook to take you to "not so free courses..."
Work has begun to transcribe this course (with Thai script substituted for the original romanization) into online "web" content at