Answers are grounded in this paper and cite their sources.
Notes bibliogr. dans "Notes and documentation" (p. 783-792) "A list of selected books dealing with the American Negro": p. 793-796. Index
No takes yet. Share an insight, caveat, or question.
Drake et al. (1946) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: