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Handwritten letter from Mary Robbins Post to William R Hallowell, September 10, 1850.
Handwritten letter from Mary Robbins Post to William R Hallowell, August 20, 1847.
Handwritten letter from G B Stebbins to William R Hallowell, August 7, 1846.
Handwritten letter from Mary Robbins Post to William R Hallowell, n.d. Mary writes of antislavery conventions and opposition from Quakers, in…