Mezue ahịrịokwu na-esonụ: Na 1922 Santillán nọchitere FORA na nhazi nke International Workmen's Association (IWMA) nke anarcho-syndicalist na Berlin; mgbe ọ nọ ebe ahụ ọ malitere ịmụ Medicine, wee mata Elise Kater, onye ga-abụ nwunye ya. E bipụtara nke mbụ n'ime ọtụtụ ọrụ gbasara akụkọ ihe mere eme na echiche nke anarchism n'oge a <unk> "Ricardo Flores Magón: Onyeozi nke
"Mexican Social Revolution" na "Anarchism in the Labour Movement" abụọ pụtara na 1925.