William Carlos Williams Biography
https://www.poetryfoundation.org/poets/william-carlos-williams
This page from the Poetry Foundation offers a very thorough guide to Williams's biography. While generally useful for anyone looking for more information about Williams, it is particularly good at analyzing the intersection of his literary career and personal life.
William Carlos Williams Reads The Red Wheelbarrow
https://www.youtube.com/watch?v=NqIl3oX_44s
This brief clip contains audio of Williams reading his poem "The Red Wheelbarrow." It is both interesting and insightful to hear where he emphasizes and inflects certain words.