Redaktionen, .-. (1895) “Herbert Spencer. W. H. Hudson: An Introduction to the Philosophy of Herbert Spencer. With a biographical sketch. New York, D. Appleton and Co. 1894. (234 S.)”., Nationaløkonomisk tidsskrift, 3. Available at: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/57689 (Accessed: 5 December 2025).