[139] Ashley, I pp. 17, 18. [↑]

[140] Inama-Sternegg, II pp. 73, 74. [↑]

[141] Cunningham, English Industry, I p. 5. [↑]

[142] Amira, p. 138. [↑]

[143] Oppenheimer, David Ricardos Grundrententheorie, pp. 152, 153. [↑]

[144] Ashley, I p. 21. [↑]

[145] Ibid., p. 7. [↑]

[146] Ibid., pp. 8, 9. [↑]

[147] Ibid., pp. 22, 31. [↑]

[148] Cunningham, English Industry, I p. 476. [↑]