彩插
1. 伊德裏斯地圖：Al-Idrīsī, Nuzhat al-mushtāq fīikhtirāq al-āfāq, page 3b-4a, Manuscript no. Pococke 375. ? Bodleian Libraries, University of Oxford.
2. 青銅別針：Accession number 4A600A1-169. L’Anse aux Meadows Museum. Parks Canada.
3. 維京人的硬幣：Maine State Museum, M** 72.73.1.
4. 赫瓦勒賽教堂：Alamy Stock Photo Image ID GJA07F.
5. 劉易斯棋子：Photo no. 00156777001. The Lewis Chessmen, Uig(Scotland), 1150-1175 (circa). ? The Trustees of the British Museum.
6. 瑪雅的戰鬥場景：Ann Axtell Morris的水彩畫，收錄於Earl Halstead Morris, The Temple of the Warriors at Chichén Itzá, Yucatan (Carnegie Institution of Washington, 1931): volume II, plate 139。
7. 被俘虜的維京人：Ann Axtell Morris的水彩畫，收錄於Earl Halstead Morris, The Temple of the Warriors at Chichén Itzá, Yucatan (1931): volume II, plates147b and 147c。
8. 戈克斯塔德號：Creative Commons License: CC BY-SA 4.0. ? Museum of Cultural History, University of Oslo, Norway.
9. 修女院的船：“Seige of the City”，根據老奇琴伊察的壁畫繪製的水彩畫（細節）。Digital file no. 60743049, 60743050. Harvard University Peabody ID no. 11-20/25208a. ? 2019 The Jean Charlot Estate LLC/Member, Artists Rights Society (ARS), NY. 已經許可。
10. 查克穆爾，奇琴伊察：National Museum of Anthropology, Mexico City, Mexico. Alamy Stock Photo Image ID E1FP24.
11. 查科峽穀巧克力罐：Image #3521, AMNH Library, “Anasazi (Ancestral Pueblo) pottery dating from 1100 A.D., Pueblo Bonito, Chaco Canyon, New Mexico.” American Museum of Natural History, Anthropology, Catalog No. H/3239.
12. 奇普：American Museum of Natural History, Anthropology, Catalog No. 41.2/6740.
13. 儲銀寶庫：Alamy Stock Photo Image ID BHG3BF.
14. 弗拉基米爾大公：Natalia Kolesnikova/AFP/Getty Images.
15. 阿拉伯語文字：Gian Pagnoni.