11.“長紀年”……“短紀年”……：Janet M. Wilmshurst et al., “High-Precision Radiocarbon Dating Shows Recent and Rapid Initial Human Colonization of East Polynesia.” Proceedings of the National Academy of Sciences 108.5 (February 1, 2011): 1815-1820.
12.逐漸消失的傳統：Ben Finney, Voyage of Rediscovery: A Cultural Odyssey Through Polynesia (1994).
13.完全不使用航海儀器：Steve Thomas, The Last Navigator: A Young Man, an Ancient Mariner, the Secrets of the Sea (1997).
14.人口密度很低：Anthony Reid, “Low Population Growth and Its Causes in Pre-Colonial Southeast Asia.” Death and Disease in Southeast Asia: Explorations in Social, Medical and Demographic History, ed. Norman G. Owen (1987): 33-47, 36.
15.習慣於從一個地方搬到另一個地方：M. C. Ricklefs (ed.), A New History of Southeast Asia (2010)：8—10頁提到了早期社會結構，21頁提到了印度碑文，30頁，61—64頁提到了三佛齊國，40—42頁提到了吳哥，43頁提到了神廟國家的模式。
16.對轉輪聖王的崇拜：John E. Cort, Open Boundaries: Jain Communities and Cultures in Indian History (1998): 98.
17.氣球：“氣球國家”一說的形象借鑒了Burton Stein在其 History of India（1998）一書中對“分立國家”的描述，20頁，以及O. W.Wolters在其History, Culture and Region in Southeast Asian Perspectives（1999）一書中的“曼荼羅國家”概念，27—28頁。
18.印度南端的注輦國：Jan Wisseman Christie, “The Medieval Tamil-Language Inscriptions in Southeast Asia and China.” Southeast Asian Archaeology, 1994, ed. Pierre-Yves Manguin (1998)：241頁提及注輦的崛起，244頁提及公元883年的碑文，244—245頁提及交易目的地的轉移，246頁提及改變商人社區的組成，249頁提及經濟衰退，第254頁提及注輦突襲東南亞。
19.密宗：Andrea Acri, “Introduction: Esoteric Buddhist Networks Along the Maritime Silk Routes, 7th-13th Century AD.” Esoteric Buddhism in Mediaeval Maritime Asia, ed. Andrea Acri (2016)：1-25，4頁提及神秘的佛教修行，7頁提及《易經》，16頁的Map 1.1: Paths traveled by the monks；筱原亨一, Spells, Images, and Mandalas: Tracing the Evolution of Esoteric Buddhist Rituals(2014): 194-204.