In the scene where the rats have "split open the kegs of salted sprats", the line "Send for Tybalt, the rat-catcher!" is heard. This is a reference to Mercutio's insult to Tybalt in Shakespeare's Romeo and Juliet, Act III, Scene 1. See more
[at a town meeting
Just a moment! Where's the mayor?
He said he'd try and stop by later... something about a major meeting having to do with banquet seating.
Typical! You know what that's about!
They're sitting there drinking stout!