Spiegel, Allen D (1995). ”The Role of Gender, Phrenology, Discrimination and Nervous Prostration in Clara Barton's Career”. ""20"". s. 501–526. doi:10.1007/BF02277066. PMID 8568024.
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Spiegel, Allen D (1995). ”The Role of Gender, Phrenology, Discrimination and Nervous Prostration in Clara Barton's Career”. ""20"". s. 501–526. doi:10.1007/BF02277066. PMID 8568024.