#1 Duncan B. Campbell, Besieged: Siege Warfare in the Ancient World.
#2 Duncan Campbell 1952- , staff writer on the New Statesman. War plan UK: The truth about civil defence in Britain.
#3 Duncan Campbell 1944-, journalist, works for the Guardian. The Paradise Trail.
#4 Duncan Campbell 1972-, iPhone SDK 3.
#5 Duncan Campbell 1818-1886, History of Prince Edward Island.
#6 Campbell, Duncan, 1680?-1730. Secret memoirs of the late Mr. Duncan Campbel, .
#7 Duncan Campbell , 1898-1971 The price and power of revival: Lessons from the Hebrides Awakening .
#9 Campbell, Duncan Alexander Dundas Campbell, Sir, 3d bart., 1856- Records of clan Campbell in the military service of the Honourable East India company, 1600-1858
#10 Campbell, Duncan, 1827-1916. The lairds of Glenlyon
#11 Campbell, Duncan, 1847-1903. - Hymns and hymn makers,
#12 Duncan Campbell - Foehammer
#13 Duncan CAMPBELL, of Holborn., fl. 1735 - A Poem Upon Tea
#14 part of Campbell-rey consulting team. About 1987-