van der Ploeg G. Identity, Trade, and Mobility in Ostia Antica. In: Bentz M, Heinzelmann M, Hrsg. Sessions 4–5, Single Contributions. Archaeology and Economy in the Ancient World: Proceedings of the 19th International Congress of Classical Archaeology, Cologne/Bonn 2018. Propylaeum; 2023:187-189. doi:10.11588/propylaeum.1005.c13485