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* The title is a reference to the Encyclopedia Brown mystery novels.
* April's image in Chris' fireman calendar is inspired by advertisements for Coppertone sun block.
* Peter's line about Chris Gaines being Garth Brooks is a reference to country artist Garth's adopted rock singer persona.
* Joe says "Someday a rain'll come and wash all this scum off the streets", a close paraphrase of a line from the film Taxi Driver.