Traill. Social England, vol. i. p. 658.
Lapsley, G. T. “Account Roll of a Fifteenth-Century Ironmaster,” in the English Historical Review, vol. xiv., July 1899, p. 51.
Victoria County History. Derbyshire, pp. 328-9, 332, 343.
Some Account of Mines. British Museum, 444, a 49, p. 62.
Galloway. Annals of Coal Mining, pp. 91, 232, 234, 354 passim.
Case of Sir H. Mackworth. British Museum, 522, m. 12 (2).
Case of the Mine Adventurers in the same volume, No. 26.
Young, Arthur. Northern Tour, vol. ii. pp. 189, 254-5. Second Edition. 1770.
Young, Arthur. Six Weeks’ Tour, pp. 150, 109. 1768.
CHAPTER II.