The Shape of Water (2017)

Factual error: Amazon rivers have no high salinity as shown as necessary to maintain the creature.

argoncalves

Giles: Oh! God, to be young and beautiful. If I could go back to when I was 18 - I didn't know anything about anything - I'd give myself a bit of advice.
Elisa: [Signing] What would you say?
Giles: I would say: Take better care of your teeth and fuck a lot more.

Trivia: Guillermo del Toro wrote the parts of Elisa and Strickland specifically for Sally Hawkins and Michael Shannon. Giles was written for Ian McKellan, who was unavailable, but Richard Jenkins, whom got the part, was del Toro's second choice for the role.

Question: How can I find out what old movies are are shown within the movie? I can't find the credits anywhere.

jsarirose