Robbins calls his dog, "Gilgy", which is probably short for Gilgamesh. Frank Welker is credited as the voice for Gilgamesh.
The scroll thieves using British Harrier jets foreshadows the fact the Scottish Macbeth is their employer.
Macbeth's henchmen's names, Banquo and Fleance, are like his alias "Lennox Macduff" named for two characters is Shakespeare's play.
Robbins has been blind nearly 20 years at the time this takes place; having said he learned braille at "nearly 40 from.the Vietnam war.
The scene where Robbins finds Hudson is played out as if a fellow elder was accosted by ruffians. Not too far off the mark.