159.
[10] Marshall's _Principles of Economics_, II.ch.iv.

Sec.2.
[11] De Tocqueville, _Ancient Regime_, ch.

xvi.
[12] _Report of the Industrial Remuneration Conference_, 1886, p.

429.
[13] Cannan's _Elementary Political Economy_, part ii.Sec.

15.
[14] _Industrial Remuneration Congress Report_, p.153.