Heinemann ELT is now part of Pearson Education. While the course is out of print, Pearson retains the master recordings.
What to do:
Although the TOEFL exam has evolved (moving from the paper-based PBT to the internet-based iBT), the core grammatical structures and listening skills required for success remain constant. The Heinemann ELT course is renowned for its: Heinemann ELT is now part of Pearson Education
Many university alumni servers still host legacy files. Use this Google search syntax: This reveals open directories
intitle:"index of" "heinemann elt" toefl audio mp3
This reveals open directories. Prioritize folders with files over 5MB (indicates longer tracks/higher bitrate). How to Install the TOEFL Audio Bundle on Your Device
How to Install the TOEFL Audio Bundle on Your Device