At the very least:
"Sheer ecstasy of a lunatic farmer" by Joel Salatin
"Unsettling of America" by Wendell Berry
"Dirt: the erosion of civilizations" by David Montgomery
"Man, cattle, and veld" by Johann Zeitsman
"The soil owners manual" by John Stikka
"For the love of the soil" by Christine Jones
Anything by Elaine Ingham and John Kempf
I'll share some more of our content and work too