Tie-in Hollywood costume advertisment of 30s or 40s

"Women were targeted by Hollywood marketing and in her book, Screen Style (2000), Sarah Berry discusses how the resulting overlap in the target markets of the fashion, cosmetics, and film industries gave rise to a culture of cross-promotion that would now be called ‘synergy’: a boom in star endorsements, the merchandising of film costumes through Hollywood ‘tie-in’ labels, product placements in movies, and the extensive use of fashion publicity for upcoming films".

Hi there!
This is from the article
The question is could anybody actually give me a visual example of ‘tie-in’ Hollywood costume advertisment of 30s or 40s?
I've heard some time before that the one of Dorothy from " THE WIZARD OF OZ" was actually pretty popular on its hay day, but I never saw like... That old tie-in advertisments, how did it even work back then?

 

Here is an article about Shirley Temple and her clothing line.