14 Fast-Talking Facts About The Philadelphia Story
http://mentalfloss.com/article/79187/14-fast-talking-facts-about-philadelphia-story
Fun facts about the film in Mental Floss
The Philadelphia Story review – fun and wit rise like champagne bubbles
https://www.theguardian.com/film/2015/feb/12/the-philadelphia-story-review-rerelease
A retrospective review of the film in The Guardian
The Celebrity Masks of George Cukor
https://www.newyorker.com/culture/richard-brody/the-celebrity-masks-of-george-cukor
An article about George Cukor in The New Yorker
60 Minutes Interview with Katharine Hepburn
https://www.youtube.com/watch?v=v_iooSis7bk
An interview with Katharine Hepburn on 60 Minutes
Inside the Estate that Inspired ‘The Philadelphia Story’
https://www.nytimes.com/2017/10/18/style/inside-the-estate-that-inspired-the-philadelphia-story.html
An article about the real-life inspiration for the Lord estate