Posted on the right is a late Thirties article by “Teet” Carle (Cecil Carle, 1899 – 1992: MGM publicist) on how the brothers Marx figured out which gag created the biggest laughs; a few words about how the movies were tested in various cities prior to each release and how assorted jokes were recited to all manner of passersby for their effect.
Click here to read a 1951 article that Harpo Marx wrote about Groucho.

1930s magazine article regarding Marx Brothers Comediestesting jokes for a MARX BROTHERS film 1937making MARX BROTHERS movies articlejoke-testing by the Marx Brothers 1937inside look at the movie world of the Marx Brothers
![Joke-Testing with[BR] the Brothers Marx](https://oldmagazinearticles.com/pdf/Marx-Brothers-article_0001.jpg)
![Joke-Testing with[BR] the Brothers Marx](https://oldmagazinearticles.com/pdf/Marx-Brothers-article_0002.jpg)
![Joke-Testing with[BR] the Brothers Marx](https://oldmagazinearticles.com/pdf/Marx-Brothers-article_0003.jpg)
![Joke-Testing with[BR] the Brothers Marx](https://oldmagazinearticles.com/pdf/Marx-Brothers-article_0004.jpg)
![Joke-Testing with[BR] the Brothers Marx](https://oldmagazinearticles.com/pdf/Marx-Brothers-article_0005.jpg)
1930s magazine article regarding Marx Brothers Comediestesting jokes for a MARX BROTHERS film 1937making MARX BROTHERS movies articlejoke-testing by the Marx Brothers 1937inside look at the movie world of the Marx Brothers