Leisner, J. (1970) “Deric Regin : Freedom and Dignity. The Historical and Philosophical Thought of Schiller. Haag, Martinus Nijhoff, 1965. x+ 153 s. 18 fl.”, Historisk Tidsskrift, 120. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/51096 (Set: 27september2020).