Elliot buys Lee E.E. Cummings's "Complete Poems 1913-1962." The poem "somewhere i have never traveled, gladly beyond" is on page 366, not page 112.
The stereo receiver in Frederick's apartment plays music, but there are no speaker wires hooked up to it.
Near the end, when Woody runs into Dianne Wiest at the record store, he talks about her being the one with whom he had the disastrous date years ago, as if that was the only way they'd known each other. But, he used to be her brother-in-law, so the connection would have been much more than just one date.
When Lee is about to play a record for Elliot, the music starts before the needle touches the vinyl.
Dolly tracks are visible when the camera pulls back in the living room.
When Hannah, Holly, and Lee meet for lunch, the camera zooms in on Holly right after they sit down, and begins to move in a circular motion around the table. When it passes behind Hannah, the shadow of the camera appears briefly on the back of her head.
Mickey's audiometry doctor tells him he has a loss of hearing in the "high decibels" region. He clearly meant "high frequency" region, as "high decibels" refers to increased loudness.
Mickey (Woody) claims he has read all of Socrates. Socrates is notoriously known for never having written anything. It was Plato, Socrates' student, who wrote all of the "Socratic" dialogues.
At the Thanksgiving table, Dianne Wiest accidentally hits her wine glass and spills some wine on the table. She and Barbara Hershey continue to have a laugh over this as Lloyd Nolan gives his speech.