Sources for each characters are listed below.
Kakira : France, 1100
· Enamelled tomb slab of Geoffrey of Anjou, early 12th century
· David Nicolle, "French Medieval Armies 1000-1300", 1991
Vulpeko : Mexica, 1500
· Codex Mendoza
· Codex Ixtlilxochitl
· Codex Tovar
· Papalotl Feather Fan, Museum für Völkerkunde, Vienna