Adam Smith (1776). "Introduction". The Wealth of Nations. Vol. Book II: On the Nature, Accumulation, and Employment of Stock. ... the accumulation of stock must, in the nature of things, be previous to the division of labour...
Karl Marx's Capital, vol I Ch. 26, states "The whole movement, therefore, seems to turn in a vicious circle, out of which we can only get by supposing a primitive accumulation (previous accumulation of Adam Smith) preceding capitalistic accumulation; an accumulation not the result of the capitalistic mode of production, but its starting point." referring to Adam Smith's Wealth, Bk II introduction, "This accumulation must, evidently, be previous to his applying his industry for so long a time to such a peculiar business."