Bild, Tage. “Rolf Torstendahl: Dispersion of Engineers in a Transitional Society. Swedish Technicians 1860-1940. Studia Historica Upsaliensia 73. Uppsala 1975. 312 Sider”. Historisk Tidsskrift, bd. 13, januar 1978, https://tidsskrift.dk/historisktidsskrift/article/view/52036.