Knudsen, Henrik. “Bo Poulsen: Global Marine Science and Carlsberg. The Golden Connections of Johannes Schmidt (1877-1933). BRill, Leiden, The Netherlands, 2016”. Historisk Tidsskrift 118, no. 1 (juli 6, 2018): 258–262. Set december 5, 2025. https://tidsskrift.dk/historisktidsskrift/article/view/106557.