JÖTTKANDT, S. Introduction to Sam Gillespie. Cosmos and History: The Journal of Natural and Social Philosophy, [S. l.], v. 2, n. 1-2, p. 159–160, 2006. Disponível em: https://cosmosandhistory.org/index.php/journal/article/view/32. Acesso em: 5 dec. 2021.