Oxford Dictionary of National Biography
Rosalind K. Marshall, Campbell , Elizabeth, duchess of Argyll and suo jure Baroness Hamilton of Hameldon [other married name Elizabeth Hamilton, duchess of Hamilton and Brandon] (bap. 1733, d. 1790), first published 2004; online edn, May 2005, 2223 words, with portrait illustration
http://dx.doi.org/10.1093/ref:odnb/11744
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