British Moralists, being Selections from Writers principally of the Eighteenth Century, edited with an Introduction and analytical Index by L.A. Shelby-Bigge in two volumes (Oxford: Clarendon Press, 1897). 2 vols. http://oll.libertyfund.org/titles/2076,
Vol. 1 contains selections from the work of Shaftesbury, Hutcheson, Butler, Adam Smith, and Bentham. Vol. 2 contains works by Samuel Clarke, Balguy, Richard Price, Hobbes, Kames, Locke, Wollaston, and others.
The text is in the public domain.