The works of J.A Etzler:
https://openlibrary.org/works/OL15678785W/The_new_world?edition=newworld00etzl
The works of Peter Kropotkin:
https://theanarchistlibrary.org/library/petr-kropotkin-mutual-aid-a-factor-of-evolution
https://theanarchistlibrary.org/library/petr-kropotkin-the-conquest-of-bread
The Buckminster Fuller Institute: https://www.bfi.org/
Institute for Social Ecology: https://social-ecology.org/wp/
https://www.thevenusproject.com/
https://www.thezeitgeistmovement.com/
https://freeworldcharter.org/en