interesting interpretation.  There are many other deep lines.  "They are selling postcards of the hanging" refers to a lynching in Minnesota, which they sold postcards of.  Dylan states that all the characters are people he knows, but he changed the names.  Lots of metaphors to decipher.  Ophelia a people pleaser from Hamlet.  Navy hits up a beauty parlor, and clock strikes midnight, and Cinderella needs to pick up mess.  Romeo tries to pick up someone elses girl, and and a melee.  The nurse, a local loser has both cynide pills and has cards that say "have mercy on their soul".  Casanova- "kills him with self confidence, after poisoning him with words"  Ezra Pound, TS Elliot, mermaids, monks, Nero, hunchback of Notre Dame, Noah, Einstein, Robin Hood, the Good Samaritan, etc- they all are characters Dylan knew