In See Jane Run, it's revealed that Jane (Lane) has a sister named Penny. This is a reference to the Beatles song title, Penny Lane.
When Quinn is asked to hang out with Daria, one of the things she said was for her mom to lock her in the attic for 20 years. This is possibly a reference to Blanche Monnier, a woman who was imprisoned in her attic bedroom for 25 years after refusing to fall out of love to her broke lawyer fiance that her mother and brother felt would ruin their social status if marriage happened.