Much bibliographical and other information about the later writers on alchemy is contained in Bibliotheca Chemica (2 vols., Glasgow, 1906), a catalogue by John Ferguson of the books in the collection of James Young of Kelly (printed for private distribution).
In the market-place his "declaration," drawn up by Ferguson, was read aloud.
Adam Ferguson (Institutes of Moral Philosophy, p. 119, new ed., 1800) argues that " the desire for immortality is an instinct, and can reasonably be regarded as an indication of that which the author of this desire wills to do."
At the battle of Fontenoy (1745) Ferguson fought in the ranks throughout the day, and refused to leave the field, though ordered to do so by his colonel.
In 1759 Ferguson was appointed professor of natural philosophy in the university of Edinburgh, and in 1764 was transferred to the chair of "pneumatics" (mental philosophy) "and moral philosophy."