House of Review? The NSW Legislative Council, 1934-1968, Sydney, SUP, 1969.
The Wran Model. Electoral Politics in New South Wales 1981 and 1984 (Allen and Unwin 1985, edited with Ernie Chaples and Helen Nelson)
Guide to the Records of the NSW Branch of the ALP, 1956-1969, held in the Mitchell Library, Sydney, Archives Authority of NSW, 1976, rev.ed. 1989.
Guide to the Records of the NSW division of the Liberal Party, 1945-1970, held in the Mitchell Library, Sydney, Sydney, Library Council of NSW, 1976. (Edited with Marie Manning).
A History of the Labor Party in New South Wales, 1891-1991, Melbourne, Longman Cheshire, 1991. (Written with Jim Hagan).
The Premiers of New South Wales, vol 1, 1856-1901; vol 2, 1901-2005, Sydney, Federation Press, 2006. (Edited with David Clune).
The Worldly Art of Politics. Sydney, (Federation Press, 2006, edited with Michael Hogan).
Governors of New South Wales (edited with David Clune, scheduled to appear in 2010 to coincide with the Macquarie bicentenary)