Bulloch, John Malcolm, House of Gordon, Aberdeen: University Press, 1903. Available at http://archive.org/details/houseofgordon01bulluoft. Information from this source tagged as [Ref: Bulloch GORDON v1p[0-9]*].
Sources with Information about marriage to John GORDON
names:
John GORDON & dau Thomas KEIR [Ref: Bulloch GORDON v1p214]