HOMBURG, Ernst. Robert James Forbes (1900–1973) – chemicus-archeoloog, techniekhistoricus, wetenschapshistoricus. Studium, Amsterdam, v. 6, n. 3-4, p. 276–281, 2013. DOI: 10.18352/studium.9291. Disponível em: https://platform.openjournals.nl/studium/article/view/20329.. Acesso em: 3 may. 2026.