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Review of A View of Nature continued, Art. VIII in The Monthly Review for September 1794. The Monthly Review or, Literary Journal, enlarged: from September to December, inclusive, Volume XV. 1794. London. Printed for R. Griffiths and sold by T. Becket in Pall Mall.

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“Sullivan, Sir Richard Joseph, first baronet (1752-1806)“. Thomas Cooper, revised by Rebecca Mills. Oxford Dictionary of National Biography.

The True Briton. No. 1961. April 5, 1799.

“William Paley confronts Erasmus Darwin: Natural theology and evolutionism in the eighteenth century“. David Burbridge. Science & Christian Belief 10:49-71, 1988.