When Juliette drops off her daughter at the day care/brothel, there is a painting on the wall of a screen shot of Nana Kleinfrankenheim, portrayed by Anna Karina, in Vivre sa vie (1962).
Jean-Luc Godard shot this movie simultaneously with Made in U.S.A (1966). He worked on one movie in the morning and continued the other one in the afternoon.
This film is part of the Criterion Collection, spine #482.