Peebles-Wilkins, Wilma (July 26, 2016). "Black Women and American Social Welfare: The Life of Fredericka Douglass Sprague Perry". Affilia. 4 (1): 33–44. doi:10.1177/088610998900400104. S2CID143984557.
Peebles-Wilkins, Wilma (1989). "Black Women and American Social Welfare: The Life of Fredricka Douglas Sprague Perry". Affilia. 4: 33–44. doi:10.1177/088610998900400104. S2CID143984557.
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Peebles-Wilkins, Wilma (July 26, 2016). "Black Women and American Social Welfare: The Life of Fredericka Douglass Sprague Perry". Affilia. 4 (1): 33–44. doi:10.1177/088610998900400104. S2CID143984557.
Peebles-Wilkins, Wilma (1989). "Black Women and American Social Welfare: The Life of Fredricka Douglas Sprague Perry". Affilia. 4: 33–44. doi:10.1177/088610998900400104. S2CID143984557.