SOBEJANO ESTEVE, Enrique. "Empiricism and Ethics in Dietzgen", por Loyd Easton. Journal of the History of Ideas, vol. XIX, Number I, January 1958 (págs. 77-90). Anuario de Filosofía del Derecho, Madrid, ES, n. 7, 2025. Disponível em: https://revistas.mjusticia.gob.es/index.php/AFD/article/view/12067. Acesso em: 15 mar. 2026.