The inscription to Fay by her father on his picture is a quote by the English poet John Keats (1795-1821).
Fay states she has $3,000 saved up when turning down the part in Carstair's play. That would equate to nearly $59,000 in 2021.
Fay's apartment rent of $150 per month would equate to nearly $3,000 in 2021 - still a bargain for a New York City apartment of that size and quality.
The film was given a "B" rating by the National Legion of Decency - morally objectionable in part for all.
The appearance of a diary in the opening and end credits is a reference to the notorious sex diary kept by Mary Astor which was entered into evidence at her 1936 divorce trial. This is obviously meant as such because a diary plays no part in the movie.