Annales de Chimie, li, p. 77.

Ibid. li. p. 72

Bibliothèque Universelle, xxxvii. 15.

Philosophical Transactions, 1773, p. 461.

Ibid. 1775, p. 1.

Ibid. 1776, p. 196.

Ibid. 1829, p. 15.

Ibid. 1832, p. 259.

Philosophical Transactions, 1832, p. 260.

Edinburgh Phil. Journal, ii. p. 249.