RCAHMS records the monument as NJ 16 NE 4.
References:
Bogdan, N and Bryce, I B D, 1991, 'Castles, manors and 'town houses' survey', Discovery Excav Scot, 36.
Cannell, J, 1985, 'Duffus Castle (Duffus p), motte and bailey castle', Discovery Excav Scot, 19.
MacGibbon, D and Ross, T, 1887-92, The castellated and domestic architecture of Scotland from the twelfth to the eighteenth centuries, 5v Edinburgh, vol. 1, 278-80; vol. 5, cv.
Mackie, E W 1975, Scotland: an archaeological guide: from the earliest times to the twelfth century, London, 201-2.
Mackenzie, W M, 1927, The medieval castle in Scotland, London, 45-8, 55, 57, 135.
Renn, D F, 1968 Norman Castles in Britain, London, 176n.
Scottish Castle Survey 1988, 'A directory of the owners and occupiers of the castles, manors and 'town houses' {c. 1050-c. 1707} of Scotland: Grampian Region', Aberdeen, 56, no. 123/3.
Simpson, W D, 1961, 'The castles of Duffus, Rait and Morton reconsidered', Proc Soc Antiq Scot, vol. 92, 10-14.
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Duffus Castle
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