翠花和大力韩国电视剧

24.罗斯人把……当作……储藏容器：Thomas S. Noonan, “Fluctuations in Islamic Trade with Eastern Europe During the Viking Age.” Harvard Ukrainian Studies 16 (1992): 237-259, 239-240.
25.有14 295枚硬币：Gunnar Andersson, Go Beyond the Legend: The Vikings Exhibition (2016): 37.
26.萨曼帝国：Marek Jankowiak, “Dirham Flows into Northern and Eastern Europe and the Rhythms of the Slave Trade with the Islamic World.” Viking-Age Trade: Silver, Slaves and Gotland, ed. J. Gruszczyński, M. Jankowiak, and J. Shepard (forthcoming 2020): Chapter 6.