Mróz, Tomasz. “Plato Scholars and Their Research in the Collection of Letters to Lewis Campbell (1830–1908)”. Studia Historiae Scientiarum 17 (December 12, 2018): 341–364. Accessed April 19, 2024. https://ojs.ejournals.eu/SHS/article/view/SHS.18.012.9332.