These letters, addressed to Frederic Bastiat, an economist, originally appeared in a debate published in The Voice of the People, in 1849. Interest and Principal The Origin of Ground Rent I said before that in ancient times the landed proprietor, when neither he nor his family farmed his land, as was the case among the Romans in the early days of the Republic, cultivated it through his slaves: such was the general practice of patrician families. Then slavery and the soil were chained together; the farmer was called adscrpitus gleboe, joined to the land; property in men and things was undivided. The price of a farm depended upon its area and quality of its soil, upon the quantity of stock, and upon the number of slaves. When the emancipation... (From : Anarchy Archives.)
Proudhon, Pierre Joseph. System of Economical Contradictions: or, the Philosophy of Misery Electronic Text Center, University of Virginia Library 3. -- Application of the law of proportionality of values. Every product is a representative of labor. Every product, therefore, can be exchanged for some other, as universal practice proves. But abolish labor, and you have left only articles of greater or less usefulness, which, being stamped with no economic character, no human seal, are without a common measure, -- that is, are logically unexchangeable. Gold and silver, like other articles of merchandise, are representatives of value; they have, therefore, been able to serve as common measures and mediums of exchange. But the special function which custom has allotted to the precious metals, -- that of serving as a commercial agent, -- is purely conventional, and any other article...