The Gale Literary Source database only contains a couple of literary criticism articles around this story, although there is a lot of general material on Langston Hughes. The NCC Libraries also have a large collection of books on Hughes. Below is a sampling.
The Gale Literary Sources database contains around 40 literary criticism articles on this story. Here's a sample of some of the articles:
What follows are some of the books that are available through the NCC Library: