[121] Chap. iv. 2d Proposition. I do not mean to assert positively that Marx borrowed his ideas from Proudhon. He was more indebted to Rodbertus, who, contemporaneously with Proudhon, but probably independently of him, was carrying on similar investigation and arriving at similar results. It is, however, true that Proudhon was the first of the three to publish an extensive presentation of his ideas.
[122] Vols. iv. and v. of “Œuvres Complètes.”
[123] Details given in “Œuvres Complètes,” vol. vii. pp. 263-313.
[124] New edition (Paris, 1864) of “Œuvres Complètes,” tome vii.
[125] “Œuvres Complètes,” vols. xxi.-xxvi.
[126] The formula of Roman law is “Res nullius cedit primo occupanti.”
[127] “Qu’est-ce que la Propriété?” pp. 133-137.
[128] “Qu’est-ce que la Propriété?” p. 204; cf. pp. 205, 206.
[129] Henry George and others might get some useful hints from him.
[130] “Œuvres Complètes,” tome i. pp. 214, 216, 217.