Joanna Southcott (1813). “Copies of letters sent to the clergy of Exeter. 1813. A communication sent in a letter to the Reverend Mr. P. in 1797. [1814] A dispute between the woman and the powers of darkness. 2d ed. 1813. The answer of the Lord to the powers of darkness. 2d ed. 1813. A caution and instruction to the sealed. 1807. A warning to the world. [1804] The strange effects of faith. 2d ed. 1801”
Justus von Liebig (1859). “Familiar Letters on Chemistry, in its relation to Physiology, Dietetics, Agriculture, Commerce and Political Economy: Edited by John Blyth”, p.5