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Bolton, Martha, “Mary Shepherd”, The Stanford Encyclopedia of Philosophy (Winter 2017 Edition), Edward N. Zalta (ed.), URL = <https://plato.stanford.edu/archives/win2017/entries/mary-shepherd/>.
Courtney, W. P. 2004. “Shepherd, Sir Samuel (1760–1840), Lawyer and Politician.” Oxford Dictionary of National Biography. https://doi.org/10.1093/ref:odnb/25338.
Mary Shepherd Philosophy Conference. 2019. “Build a Statue of Lady Mary Shepherd in Edinburgh.” Change.Org. 2019. https://www.change.org/p/the-city-of-edinburgh-council-build-a-statue-of-lady-mary-shepherd-in-edinburgh.
Perkins, M. 2008. Shepherd [née Primrose], Lady Mary (1777–1847), philosopher. Oxford Dictionary of National Biography. Retrieved 12 Dec. 2020, from https://www-oxforddnb-com.proxy.lib.duke.edu/view/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-58699.
Boyle, Deborah. "Expanding the Canon of Scottish Philosophy: The Case for Adding Lady Mary Shepherd." Journal of Scottish Philosophy 15.3 (2017): 275-93. Web.
Project Vox team. (2021). “Mary Shepherd.” Project Vox. Duke University Libraries. https://projectvox.org/shepherd-1777-1847/
