Studies of Trees Lesson 18: Requirements of Trees - Heat, Season, and Frost
Channel: Under The Home
Date: 18/06/2019

underthehome.org 
Book Title: Studies of Trees 
Section Title: How to Identify Trees
Author: Jacob Joshua Levison
Audio Source: https://librivox.org/studies-about-trees-by-jacob-joshua-levison/
License: Public Domain