Bulloch, John Malcolm, House of Gordon, Aberdeen: University Press, 1907. Available at http://archive.org/details/houseofgordonedi02bull. Information from this source tagged as [Ref: Bulloch GORDON v2p[0-9]*].
Sources with Information about marriage to Isobel GORDON
names:
[Ref: Bulloch GORDON v2p444]
Research Notes:
of Beldorny [Ref: Bulloch GORDON v2p444]