V. Van Thienen, „State Control, Regionality or Guidelines? The Production of the Crossbow Brooch“, in The Production of Military Equipment – Fabricae, Private Production and More: Panel 9.1, S. Hoss, Hrsg. Heidelberg: Propylaeum, 2021, S. 47–57. doi: 10.11588/propylaeum.761.c10621.