Being a complete index of the residents of the entire city, and a classified business directory to which is added a miscellaneous department containing useful information of the churches, societies, railroads, city, state and other matter also street and avenue directory.
The Red-Blue Book series from the Polk-Gould Directory Company combines the long running Red Book and Blue Book series that the Gould Directory Company published until 1916. The Blue Book was a directory for polite society with lists of social clubs and well-to-do citizens while the Red Book was long known as Gould's Commercial Register and maintained information about St. Louis businesses.