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Letter book of Sir John Hall, containing copies of letters, 1827-1843, and memoranda, 1824-1857, including diary entries of tours in Spain, 1838 and 1839, and transcripts of evidence at the court martial of Dr. John Williamson, Apothecary to the Forces, 1824. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.