Francis Bacon, David Mallet (1740). “The Works of Francis Bacon, Baron of Verulam, Viscount St. Alban, Lord High Chancellor of England ...: With Several Additional Pieces, Never Before Printed in Any Edition of His Works. To which is Prefixed, a New Life of the Author”, p.306
Francis Bacon (1826). “The Works of Francis Bacon, Baron of Verulam, Viscount St. Alban and Lord High Chancellor of England: Sylva sylvarum (century IX-X) Physiological remains. Medical remains. Medical receipts. Works moral: Colours of good and evil. Essays of counsels civil and moral. Theological works”, p.258