|Citation=Woytek, B. (2017), "Joseph Eckhel and his network of correspondents: a research project on numismatics in the Age of Enlightenment", M. Caccamo Caltabiano et alii (eds.), XV International Numismatic Congress. Proceedings, Rome ‒ Messina, pp. 299‒302. | |Citation=Woytek, B. (2017), "Joseph Eckhel and his network of correspondents: a research project on numismatics in the Age of Enlightenment", M. Caccamo Caltabiano et alii (eds.), XV International Numismatic Congress. Proceedings, Rome ‒ Messina, pp. 299‒302. |