NYDAM, L.; RAATH, A. W. G. Blackstone, Natural Law and the Future. Tydskrif vir Christelike Wetenskap | Journal for Christian Scholarship, [S. l.], v. 45, n. 4, p. 77–94, 2009. Disponível em: https://pubs.ufs.ac.za/index.php/tcw/article/view/186. Acesso em: 11 oct. 2025.