The Doctrines of the English Socialists and the Theoretical Exposition of Karl Marx Spring from the Whiggish Pages of the Wealth of Nations

Smith's labour theory of value did inspire a number of English socialists before Marx, generally named 'Ricardian' but actually 'Smithian' socialists, who decided that if labour produced the whole product, and rent and profit are deductions from labour's produce, then the entire value of the product should rightfully go to its creators, the labourers. Douglas justly concluded that

It is then from the Whiggish pages of the Wealth of Nations that the doctrines of the English Socialists as well as the theoretical exposition of Karl Marx, spring. The history of social thought furnishes many instances where theories elaborated by one writer have been taken over by others to justify social doctrines antagonistic to those to which the promulgator of the theory gave adherence. But had the gift of prevision been granted to those men, few would have been more startled than Adam Smith in seeing himself as the theoretical founder of the doctrines of nineteenth-century socialism.

--Murray N. Rothbard, Economic Thought Before Adam Smith, vol. 1 of An Austrian Perspective on the History of Economic Thought (Auburn, AL: Ludwig von Mises Institute, 2006), 456.