Shapiro-Shapin, Carolyn G. (2007). ""A Whole Community Working Together": Pearl Kendrick, Grace Eldering, and the Grand Rapids Pertussis Trials, 1932-1939". Michigan Historical Review. 33 (1): 59–85. doi:10.1353/mhr.2007.0001. JSTOR20174193. S2CID150019731.
Shapiro-Shapin, Carolyn G. (2007). ""A Whole Community Working Together": Pearl Kendrick, Grace Eldering, and the Grand Rapids Pertussis Trials, 1932-1939". Michigan Historical Review. 33 (1): 59–85. doi:10.1353/mhr.2007.0001. JSTOR20174193. S2CID150019731.
Shapiro-Shapin, Carolyn G. (2007). ""A Whole Community Working Together": Pearl Kendrick, Grace Eldering, and the Grand Rapids Pertussis Trials, 1932-1939". Michigan Historical Review. 33 (1): 59–85. doi:10.1353/mhr.2007.0001. JSTOR20174193. S2CID150019731.