מקורות
https://www.britannica.com/biography/John-Muir
https://www.biography.com/scholar/john-muir
https://www.notablebiographies.com/Mo-Ni/Muir-John.html
https://www.yosemite.com/johnmuir/
https://vault.sierraclub.org/john_muir_exhibit/life/muir_biography.aspx
Credit for the Music:
Audionautix.com & Twinmusicom.org:
NightRunner
YourIntro
Back to the Wood
Push me 10 Minutes
An Evening a Lifetime
הפודקאסט "יחידים במינם"! 