Erasmus Darwin (1800). “Phytologia; Or, The Philosophy of Agriculture and Gardening: With the Theory of Draining Morasses, and with an Improved Construction of the Drill Plough”, p.556
Thomas Paine (2015). “The Thomas Paine Collection: Common Sense, Rights of Man, Age of Reason, An Essay on Dream, Biblical Blasphemy, Examination Of The Prophecies”, p.166, Ravenio Books