'The Crisis' sought information on Black enrollment at U.S. universities in 1930; a reply from UD in W.E.B. Du Bois' papers in the archives at University of Massachusetts Amherst provides a telling example of racial segregation.
Gauder, Heidi and Waldron, Caroline, "'The Considerable Number of Students': A Response to W.E.B. Du Bois" (2020). University Libraries Blog Archive. 340.