Regularly updated, depending on relevant page being worked upon.  Alphabetical by author.
Adams, J.R.R.  Merchants in Plenty - Joseph Smyth's Belfast Directories of 1807 and 1808, Ulster Historical Foundation, 1991.
Addison, W. Innes, compiler.  A Roll of the Graduates of the University of Glasgow from 31st December 1727 to 31st December 1897, Glasgow, 1898.
Agnew, Jean.  Belfast Merchant Families in the Seventeenth Century, Four Courts Press, Co.Dublin, 1996.
Agnew, Jean, editor.  Funeral Register of the First Presbyterian Church of Belfast 1712-36, Ulster Historical Foundation, 1995.
Agnew, Jean, editor.  The Drennan-McTier Letters 1776-1819 (3 vols), Women's History Project / IMC, 1998, 1999.
Agnew, Sir Andrew, Bart.  The hereditary sheriffs of Galloway ; their 'forebears' and friends, their courts and customs of their times,
                                                      with notes of the early history, ecclesiastical legends, the baronage and place-names of the province
, Edinburgh, 1893.

Anderson, John.  History of the Belfast Library and Society for Promoting Knowledge: commonly known as the Linen Hall Library, Belfast, 1888.
Andrews, Stuart.  Irish Rebellion - Protestant Polemic, 1798-1900, Palgrave Macmillan, 2006.
Bardon, Jonathan.  Belfast, An Illustrated History,  Blackstaff Press, 1982, 1983.
Bardon, Jonathan.  The Plantation of Ulster, Gill and Macmillan, Dublin, 2011.
Bassett, George Henry.   County Down Guide and Directory, Dublin, 1886.
Beckett, J.C., et al.  Belfast, The Making of the City, Appletree Press, 1983.
Bence-Jones, Mark.  A Guide to the Country Houses of Ireland,  Constable 1988.
Benn, George. The History of the Town of Belfast, A. Mackay, 1823, reprinted Davidson Books, 1979.
Benn, George.  A History of the Town of Belfast, Marcus Ward, Belfast, Vol.1,1877 and Vol.2, 1880; reprinted Blackstaff Press, Belfast 2008.
Blackstock, Allan.  Double Traitors? The Belfast Volunteers and Yeomen, 1778-1828, The Belfast Society in association with UHF, 2000.
Brett, C.E.B.  Buildings of Belfast, 1700-1914, Revised edition, Friar's Bush Press, 1985
Brett, C.E.B., and Merrick, Anthony C.W.,  Buildings of North County Down, UAHS, Belfast, 2002.
Calwell, H.G.  Andrew Malcolm of Belfast 1818-1856, Belfast 1977.
Campbell, John H., History of the Friendly Sons of St. Patrick and of the Hibernian Society for the Relief of Emigrants from Ireland,
                                                                             March 17, 1771-March 17, 1892
, Philadelphia, 1892.
Carr, Peter.  Portavo - An Irish Townland and its Peoples, 2 Vols., The White Row Press, Dundonald, Belfast, (i) 2003 and (ii) 2005.
Carroll, Denis.  The Man from God knows where, Gartan, Columba Press, Dublin, 1995.
Carroll, Francis M.  The American Presence in Ulster: A Diplomatic History, 1796-1996, Catholic University of America Press, 2005.
Challis, C.E.  The Tudor coinage for Ireland, British Numismatic Society, 1971.
Clarke, R.S.J., compiler.  Gravestone Inscriptions, Vol.5, Co. Down, 2nd edition, UHF, 1984.
Connolly, S.J., editor.  Belfast 400 - People, Place and History, Liverpool University Press, 2012.
Craig, Maurice.  Classic Irish Houses of the Middle Size, Ashfield Press, Dublin, 2006.
Daly, Thomas A., The Friendly Sons of St. Patrick, F.McManus, Philadelphia, 1920.
Danvers, F.C., Monier-Williams, Sir M., etc.  Memorials of Old Haileybury College, Constable, London, 1894.
Day, Angélique and McWilliams, Patrick.  Ordnance Survey Memoirs of Ireland, Vols. 3 & 7, Parishes of County Down:
                                                             I, South Down & II, North Down & Ards, Institute of Irish Studies, Queen's University Belfast, 1991.

Dean, J A K.  The Gate Lodges of Ulster: A Gazetteer, Ulster Architectural Heritage Society, 1994.
Dickson, Charles.  Revolt in the North,  Constable, London, 1997.
Disosway, Gabriel P.  The Earliest Churches of New York and Its Vicinity, New York, 1865.
Gamble, John.  A view of society and manners, in the north of Ireland, in the summer and autumn of 1812, Cradock & Joy, London, 1813.
Gillespie, Raymond.  Early Belfast: The Origins and Growth of an Ulster Town to 1750, Belfast Natural History and Philosophical Society & UHF, 2007.
Gillespie, Raymond, and Royle, Stephen A.   Belfast Part I, to 1840 (Irish Historic Towns Atlas, No.12),
                                                                                                                                                    Royal Irish Academy with Belfast City Council, 2003.

Greene, John C., compiler.  The Belfast Newsletter Index at
Griffin, Brian.  The Bulkies: Police and Crime in Belfast, 1800-1865, Irish Academic Press, Dublin, 1997.
Haines, Keith.  Images of Ireland - East Belfast, Gill and Macmillan, Dublin, 1997.
Haines, Keith & Cooke, Martin D.  East Belfast - Paintings and Stories from Harbour to Hills, Cottage Publications, Donaghadee, 2001.
Harris, Walter and Smith, Charles.  The Antient and present State of the County of Down, containing A Chorographical Description,
                                                                                                                  with the natural and Civil History of the same. Illustrated by …
, Dublin, 1744.
Hemftreet, Charles.  Nooks & Corners of Old New York, New York, 1899.
Hewitt, John.  Rhyming Weavers and other country poets of Antrim and Down, Blackstaff Press, Belfast, 1974 and 2004.
Hill, Edwin Darley.  The Northern Banking Company Limited - An Historical Sketch, McCaw, Stevenson & Orr Ltd., Belfast, 1924.
Hood, S., Campbell, G., Jones, J., A Brief Account of The Society of the Friendly Sons of St. Patrick, Philadelphia, 1844.
Joy, Henry.  Historical Collections relative to the Town of Belfast ..., Belfast, 1817. 
Killen, John.  A History of the Linen Hall Library, LHL, Belfast, 1990.
Killen, John, editor.  The Decade of the United Irishmen, Blackstaff Press, Belfast, 1997.
Lakin, Charles A.  History of Military Lodge No. 93, Free and Accepted Masons. Manlius, New York, 1893.
Leet, Ambrose.  Directory to the market towns, villages and gentlemen’s seats and other noted places in Ireland, Dublin, 1814.
MacMaster, Richard K.  Scotch-Irish Merchants in Colonial America, UHF, 2009.
Madden, Richard R.  The United Irishmen; their lives and times. Dublin, 1846.
Maguire, W.A.  Belfast, A History, Carnegie, 2009.
Maguire, W.A.  Living like a Lord - The Second Marquis of Donegall, 1769-1844, Appletree Press and the UHF, 1984.
Maguire, W.A. The Verner rape trial, 1813: Jane Barnes v. the Belfast establishment, in Ulster Local Studies, 15 (1993), pp.53-57.
Malcolm, A.G.  The History of the General Hospital, Belfast and the other Medical Institutions of the Town, Belfast 1851.
McGurk, John.  The Elizabethan Conquest of Ireland, Manchester University Press, 1997.
McNeill, Mary.  The Life and Times of Mary Ann McCracken, Allen Figgis, Dublin, 1960.
Merrick, A.C.W. & Clarke, R.S.J.  Old Belfast Families and The New Burying Ground, UHF, 1991.
Molloy, Joseph and Proctor, E.K.  Belfast Scenery in Thirty Views, 1832, Linenhall Library, Belfast, 1983.
Moody, T.W., McDowell, R.B., Woods, C.J., editors. The writings of Theobald Wolfe Tone, 1763-1798, 3 vols. OUP 1998.
Morton, Grenfell.   Victorian and Edwardian Newcastle, The Friar's Bush Press, Belfast, 1988.
Myers, Albert Cook.  Immigration of the Irish Quakers into Pennsylvania 1682-1750; With Their Early History in Ireland. Swarthmore, PA. 1902.
                                                                                                                                                       Reprint, Heritage Books, Westminster, MD. 2006 & 2009.

O’Laverty, Rev. James.  An Historical Account of the Diocese of Down and Connor, Ancient and Modern, Gill and Son, Dublin, 1880.
O'Reilly, Des.  Rivers of Belfast - A History, Colourpoint Books, 2010.
Owen, D.J.  History of Belfast, W.&G. Baird Ltd., Belfast and London, 1921.
Patton, Marcus.  Central Belfast - A Historical Gazetteer, Ulster Architectural Heritage Society, 1993.
Proudfoot, Lindsay, editor.  Down, History and Society, Geography Publications, Dublin, 1997.
Rankin, Kathleen.  The Linen Houses of the Lagan Valley, UHF, 2002.
Rankin, Kathleen.  The Linen Houses of County Antrim and North County Down, UHF, 2012.
Royle, Stephen A.  Portrait of an Industrial City, 'Clanging Belfast', 1750-1914, Belfast Natural History and Philosophical Society with UHF, 2011.
Royle, S. A. , Pringle, M. E.,  and Boal, F. W.   New Information on the Development of Ballymacarrett: Lord Templemore's Plan of 1853,
                                                                         Ulster Journal of Archaeology, Third Series, Vol. 46, pp. 137-141, Ulster Archaeological Society, 1983.

Simon, Ben, editor.  A Treasured Landscape - the heritage of Belvoir Park, The Forest of Belfast, 2005.
Smith, Thomas E.V. The City of New York in the year of Washington’s Inauguration, 1789, New York, 1889.
Stevenson, John.  Two Centuries of Life in Down, 1600-1800, McCaw, Stevenson & Orr Ltd., Belfast, 1920;   White Row Press Ltd., Belfast, 1990.
Stewart, A.T.Q.  A Deeper Silence - The Hidden Origins of the United Irishmen,  Faber & Faber, 1993.
Stewart, A.T.Q.  Belfast Royal Academy - The First Century, 1785-1885, Belfast, 1985.
Stockdale, William.  The Great Cry of Oppression: or a brief relation of some part of the sufferings of the people of God in scorn called Quakers,
                                                                                in Ireland, for these eleven years, viz from the beginning of 1671 until the end of 1681
. Dublin, 1683.
Story, Thomas.  A Journal of the Life of Thomas Story, Newcastle Upon Tyne, 1747.
Taylor and Skinner. Road Maps of Ireland, surveyed in 1777 and corrected down to 1783, 2nd ed., London and Dublin, 1783.
Thorne, R.G.  The History of Parliament – The House of Commons 1790-1820, History of Parliament Trust, Secker & Warburg, London 1986.
Various.  Problems of a growing city: Belfast 1780-1870, PRONI (compilation for the Economic and Social History Society of Ireland), 1973.
Walker, Brian M. and Dixon, Hugh.  No mean city: Belfast 1880-1914 in the photographs of Robert French, Friar's Bush Press, Belfast 1983.
Walker, Brian M. and Dixon, Hugh.  In Belfast town, 1864-1880: early photographs from the Lawrence Collection, Friar's Bush Press, Belfast, 1984.
Wilson, Lydia, editor.  Knockbreda - Its Monuments & People, The Follies Trust, 2012.
Wright, Jonathan J.  The ‘Natural Leaders’ and Their World: Politics, Culture and Society in Belfast, c.1801-1832,  Liverpool University Press, 2012
Wylie, David G.  Our jubilee: the 150th anniversary of the Scotch Presbyterian Church, New York, 1756-1906, New York, 1907.
Wylie, Samuel Brown.  Memoir of Alexander McLeod, New York 1855.