"They Knew What They Wanted," Carole Lombard's last excursion into drama, was an adaptation of Sidney Howard's Pulitzer Prize-winning play that drew reasonably good reviews. While it received a videocassette release in the 1980s, It's hard to track down these days, largely due to rights issues with the Howard estate.
You can learn more about the film through an obscure movie magazine available via a side that isn't eBay. Rather, it's called Etsy, which has its own array of Lombard items (https://www.etsy.com/search?q=carole%20lombard%20).
The magazine, Movie Story, was part of the Fawcett chain. Its October 1940 issue included three pages on "They Knew What They Wanted":
(The fourth page is the Bette Davis remake of Jeanne Eagels' 1929 melodrama "The Letter.")
The cover featured Carole's husband Clark Gable, reuniting with Claudette Colbert in the MGM blockbuster "Boom Town," also with Spencer Tracy and Hedy Lamarr, shown inside...
Here are some of the other inside pages, as well as the rear cover:
The magazine, 90 pages in good condition, sells for $13.99. Purchase it at https://www.etsy.com/listing/777940344/oct-1940-movie-story-magazine-clark?ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=carole+lombard&ref=sr_gallery-1-24&organic_search_click=1.