The Blinding Knife discussion

I noticed when reading this thoroughly excellent book that Brent Weeks does an excellent job of adding references to other books and cultures without plagiarizing. Some notable examples:
magister/discipulus/a: Names in Latin used to refer to teacher and student
Promachoi: The actual greek word for those fighting for a cause
Young Bull: Wheel of Time Reference (he was one of the warriors in the first card vision)
The Seven Colors correspond to the Seven Ajahs from the Wheel of Time, albeit in different colors (Superviolet, Blue, Green, Orange, Yellow, Red, Subred) vs (White, Grey, Brown, Yellow, Red, Green, Blue)

If anybody has found any others please post them here