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]*].
Burke, Sir John Bernard, Genealogical and Heraldic History of the Peerage Baronetage and Knightage. 99th edition. London: Burke's Peerage, 1949. Available at http://archive.org/details/burkesgenealogic1949unse. Information from this source tagged as [Ref: Burke Peerage [cx0-9]*].
Sources for birth and parent Information
father:
[Ref: Bulloch GORDON v2p426]
Sources with Information about marriage to unknown
child:
[Ref: Bulloch GORDON v2p426, Burke Peerage p1813]
Research Notes:
Alexander III of Wardes [Ref: Bulloch GORDON v2p426]
of Wardes [Ref: Burke Peerage p1813]
Receiver-General to James III [Ref: Burke Peerage p1813]