[ [2] Annual Report of the Chief Inspector of Factories for 1901, p. 213.
[ [3] Ibid., p. 242.
[ [4] Ibid. for 1906, p. 272.
[ [5] H. O. Hofman: Metallurgy of Lead. 1906.
[ [6] Annual Report of the Chief Inspector of Factories for 1900, p. 438.
[ [7] Ibid. for 1910, p. 154.
[ [8] Special Report above, p. 15.
[ [9] Layet: Quoted by Oliver in Dangerous Trades, p. 288.
[10] Dixon Mann: Forensic Medicine and Toxicology, p. 477.
[11] Sommerfeld: Bekämpfung der Bleigefahr, p. 220.