Once Upon a Time in America (1984)
- In 1923, when Deborah first dances in the back room, she looks at herself in a mirror. She later taunts Noodles to "look at himself", which makes him look in a mirror.
- In 1933, before she reunites with Noodles, Deborah looks at herself in a compact mirror.
- In 1968, she spends nearly her whole time with Noodles in front of a mirror.
- Noodles's visit to his childhood house is similar to Dead End (1937).
- Noodles's nostalgia for the days of his youth was taken from High Sierra (1941).
- As in Angels with Dirty Faces (1938), two boyhood chums grow up to be very different, and one of them visits their childhood hangouts, and remembers the old days.
- The changing times bring a new era of unions and politics, similar to Bullets or Ballots (1936).
- The gangster (Max) who gradually turns paranoid comes from White Heat (1949).
- The suitcase at the train station pays homage to Cry of the City (1948) and The Killing (1956).
- The inscription "Your men will fall by the sword" was taken from Little Caesar (1931).
- The relationship between Noodles and Deborah is similar to Eddie and Jean's romance from The Roaring Twenties (1939).
- The Chinese theatre scenes are a tribute to The Lady from Shanghai (1947).
- Noodles's arrival at Senator Bailey's house parallels a scene in The Big Heat (1953).
- In 1933, a Chinaman ushers Noodles in and out of the opium den.
- In 1933, Noodles steals the locker key and Fat Moe's clock key, and returns the clock key to Moe in 1968.
- In 1968, when Noodles reunites with Moe, Moe unlocks his door to let him in.
- In 1923, Noodles surreptitiously unlocks the bathroom door to let Peggy in.
- In 1923, Deborah (who is given a key) purposely leaves her door unlocked to let Noodles in, but after his fight with Bugsy, she locks him out.
- In 1933, Deborah charges Noodles of wanting to "lock her up and throw away the key".
- In 1933, when Noodles makes a phone call, he makes sure the door is locked (and afterwards, Max locks the door).
- In 1968, the cemetery caretaker unlocks the mausoleum door for Noodles (where he finds a key, which in turn opens a locker containing money and a contract).
- In 1968, Deborah and Max each show Noodles an alternative back door, from which to leave.