11.这正是这些壁画完成的时间：Beniamino Volta and Geoffrey E. Braswell, “Alternative Narratives and Missing Data: Refining the Chronology of Chichén Itzá.” The Maya and Their Central American Neighbors: Settlement Patterns, Architecture, Hieroglyphic Texts, and Ceramics, ed. Geoffrey E. Braswell (2014): 356-402, 373-74 (Table 13.1 of inscriptions)，377—383页提到了时间。
12.修女院：John S. Bolles, Las Monjas: A Major Pre-Mexican Architectural Complex at Chichén Itzá (1977)：198页有1934年拍摄的第22号房间壁画上的船的照片，199页有Adela Breton根据壁画绘制的油画，202—203页有Jean Charlot根据壁画绘制的水彩画。