John Bates Clark 
Distribution of Wealth [PDF ebook] 
A Theory of Wages, Interest and Profits

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Page wages and interest within the sub-groups. Thus the study of value falls within the science of distribution. Exchange is the theory of the organization of society, and as such it falls within the study of production.