All titles by C S Nicholls
(chronological)
 

The Swahili Coast (Allen & Unwin, 1971).

Dictionary of National Biography 1961-1970 (Oxford University Press, 1981)
Dictionary of National Biography 1971-1980 (Oxford University Press, 1986)
Dictionary of National Biography 1981-1985 (Oxford University Press, 1990)
Dictionary of National Biography 1986-1990 (Oxford University Press, 1996)
Dictionary of National Biography - Missing Persons (Oxford University Press, 1993)

Cataract (with Philip Awdry) (Faber & Faber, 1985, also published in German)

Power: A Political History (Harrap, 1990, and OUP USA and other foreign publishers)

Hutchinson Encyclopedia of Biography (Helicon, 1996)

Editor of a series of Pocket Biographies for Sutton Publications, one of which she wrote herself: 

David Livingtone (Sutton Publishing, 1998, also as an audiobook)

The History of St Antony’s College, Oxford, 1950-2000 (Macmillan, 2000)

Elspeth Huxley : A Biography (HarperCollins, 2002, and paperback, 2003, published in USA by Thomas Dunne Books, 2003)

Red Strangers: the White Tribe of Kenya (Timewell Press, 2005 and as a paperback from lulu.com, 2011, and as a ebook on Kindle)

A Kenya Childhood (2011, paperback from blurb.com)