Princes of the Universe 312: The Boom

https://archive.org/download/pinces-of-the-universe-312-the-boom/Pinces%20of%20the%20Universe%20312%20The%20Boom.mp3 

Princes of the Universe 311: Before the Boom 1983 Part II

https://archive.org/download/princes-of-the-universe-311-before-the-boom-1983-part-ii-audio/Princes%20of%20the%20Universe%20311%20Before%20the%20Boom%201983%20Part%20II%20audio.mp3 

Princes of the Universe 310: Before the Boom 1982-83

https://archive.org/download/princes-of-the-universe-310-before-the-boom-1982-83/Princes%20of%20the%20Universe%20310%20Before%20the%20Boom%201982%2083.mp3 

Princes of the Universe 309: Before the Boom 1980-81

https://archive.org/download/princes-of-the-universe-309-before-the-boom-1980-81/Princes%20of%20the%20Universe%20309%20Before%20the%20Boom%201980%2081.mp3