Source: http://www.daveyd.com/blackwallpolitic.html

The year is 1921 and Tulsa, Oklahoma is booming!  As one of the most affluent Black communities in the country, Tulsa boasts of 21 churches, 21 restaurants, 30 grocery stores, jewelry stores, 2 movie theaters and 2 newspapers. There’s a postal substation, a branch of the Y.M.C.A, a hospital, bank, post office, libraries, schools, law offices, private airplanes and bus systems.

Further Exploration: http://www.okhistory.org/research/forms/freport.pdf

Available at Multnomah County: Reconstructing the Dreamland by Brophy, Alfred L.