1. Butler , Samuel . 1967 .Hudibras29 Oxford J. Wilders, p. The sage philosopher in question was probably Empedocles of Acragas. Johnson's thoughts on Ross are found inEarly Biographical Writings of Dr Johnson, ed. J. D. Fleeman (Westmead, 1973), pp. 426, 430.
2. Johnson , F. R. 1968 .Astronomical Thought in Renaissance England: A Study of English Scientific Writings from 1500 to 1645277 New York
3. 1990 .King's College, Aberdeen, 1560–1641: From Protestant Reformation to Covenanting Revolution94 – 123 . Aberdeen For the ‘Doctors’, see especially David Stevenson, pp. and D. Macmillan,The Aberdeen Doctors: A Notable Group of Scottish Theologians of the First Episcopal Period(London, 1909). On John Forbes, William Leslie and the other ‘Doctors’, and on the town of Aberdeen itself as ‘a bastion of conservatism guarded by some very acute minds’, see for example Edward J. Cowan,Montrose: For Covenant and King(London, 1977), p. 54; also John M. Lang, ‘Hector Boece and the Principals’, in P. J. Anderson (ed.),Studies in the History of the Development of the University of Aberdeen(Aberdeen, 1906), pp. 21–56 (esp. pp. 36–40).