City of London Pubs. A Practical and Historical Guide (Newton Abbot: David and Charles [Holdings] Ltd.,  1973). Written in conjunction with Timothy M. Richards. ISBN 0 7153 5958 4

Contributor to The Encyclopedia of Urban Planning edited by Arnold Whittick (New York: McGraw Hill, 1974). ISBN 0-07-070075-3

Contributor of all architectural descriptions and supervisor of all drawings for Vol. 37 of The Survey of London : Northern Kensington  edited by F. H. W. Sheppard (London: Athlone Press for the Greater London Council, 1973). ISBN 0 485 48237 1

Contributor to Vol.38 of The Survey of London edited by F. H. W. Sheppard (London: Athlone Press for the Greater London Council, 1975). ISBN 0 485 48238 X

Contributor to National Trust Studies 1980 Edited by Gervase Jackson-Stops (London and New Jersey: Sotheby Parke Bernet Publications, 1979) 54-65. ISBN 0 85667 065 0

Contributor to Contemporary Architecture edited by Muriel Emanuel (London and Basingstoke: The Macmillan Press Ltd., 1980). Essays on Almqvist (29), Bakema (64), Beaudouin (81), Berlage (90), Bourgeois (113), Brinkman (120-1), Costa (170), Deilmann (198), de Klerk (199), Duiker (219), Lewerentz (469), May (525), Seifert (739), Speer (766-7), Tengbom (802), Williams-Ellis (889-90). ISBN 0333-25289-6

The ‘Introduction’ to a facsimile edition of John Claudius Loudon’s On the Laying Out, Planting, and Managing of Cemeteries, and on the Improvement of Churchyards, originally published in 1843 (Redhill, Surrey: Ivelet Books Ltd., 1981). ISBN 0 9507719 0 2

Contributor to the Macmillan Encyclopedia of Architects edited by Adolf K. Placzek (New York: The Free Press, and London: Collier Macmillan Publishers, 1982). Entries on i Bunning (332), ii Geary (181-2), iii Mulholland (249), and iv Walters (370). ISBN 0-02-925000-5

Contributor to The Buildings of England series.  London II South edited by Nikolaus Pevsner, Bridget Cherry, and Judy Nairn (Harmondsworth: Penguin, 1983) ISBN 0-14-071047-7 

Contributor to Denis Masi, Deanna Petherbridge, Michael Sandle: Geometry of Rage edited by Rupert Martin (Bristol: Arnolfini Gallery, 1984) 36-8. ISBN 0 907738 09 5

Contributor to Charles Sergeant Jagger. War and Peace Sculpture edited by Ann Compton. Catalogue of the Exhibition at the Imperial War Museum, 1 May-29 September 1985 and at the Mappin Art Gallery, Sheffield, 19 October- 30 November 1985 (London: Imperial War Museum, 1985) 80-98. ISBN 0-901627-31-3 

Contributor to Influences in Victorian Art and Architecture edited by Sarah Macready and F H Thompson (Occasional Paper [New Series] vii, Society of Antiquaries of London, London, 1985) 100-11. ISBN 0-500-99042-5 

Contributor to 0 Ewich is so Lanck. Die Historischen Friedhöfe in Berlin-Kreuzberg. Ein Werkstattbericht. Austellungskataloge des Landesarchivs Berlin 6 (Nicolaische Verlagsbuchhandlung Beuermann GmbH, 1987) 267-82. Special Exhibition catalogue of funerary architecture and sculpture held as part of the celebrations surrounding the 750^th  anniversary of the founding of Berlin. Landesarchiv, Berlin, 22 April-26 June 1987. ISBN 3-87584-204-9

Contributor to Contemporary Architects edited by Ann Lee Morgan and Colin Naylor (Chicago and London: St James’s Press, 1987) Essays on Almqvist (26), Bakema (70-1), Beaudouin (85), Bourgeois (123), Brinkman (130), Costa (190), Deilmann (222), Grassi (343), Jeanneret (442-3), Lewerentz (532), May (581), Seifert (824), Tengbom (895-6), van Eesteren (940) and Williams-Ellis (988).  ISBN 0-912289-26-0 

Contributor to The Book of London edited by Michael Leapman (Weidenfeld & Nicolson, 1989)136-6. ISBN 0-297-79624-0 

Contributor to the Catalogue of the Exhibition The Victorian Façade featuring the work of William Watkins & Son, Architects, of Lincoln (Lincoln: Lincoln College of Art & Design, 1990) 16-22. ISBN 0-9516340-0-3 

Contributor to Louis Visconti 1791-1853 edited by Françoise Hamon and Charles MacCallum (Délégation a 1’Action Artistique de la Ville de Paris, Paris, 1991) 162-7. ISBN 2-905118-38-5 

Contributor to Proceedings of Conference on Egyptian influences outside Egypt, held in Bologna, 26-29 March 1990, published later in L’Egitto fuori dell’Egitto. Dalla Riscoperta all’Egittologia (Bologna, 1991) 89-96. Non-ISBN

Contributor to Contemporary Masterworks edited by Colin Naylor (London: St James’s Press, 1991) Essays on Bofill (315), Brinkman (321), Gropius (355), and Stirling (475). ISBN 55862-083-4

Contributor to The Rattle of the North: An Anthology of Ulster Prose edited by Patricia Craig (Belfast: Blackstaff Press, 1992) 29-36. ISBN 0-85640-464-0

Contributor to Companion to Contemporary Architectural Thought edited by Ben Farmer and Hentie Louw (London and New York: Routledge, 1993) 220-6. ISBN 0-415-01022-5

Contributor to International Dictionary of Architects and Architecture edited by Randall van Vynckt (Detroit, London, and Washington DC: St James’s Press, 1993) Essays on Almqvist (20), Adam Brothers (38), Bähr (48-50), Basevi (61), Bentley (72-4), Campbell (142-4), Chambers (154-5), Cuvilliés (179-81), Dance (186), Dientzenhofers (211-2), Erdmannsdorff (243-4), Feuchtmayer (255-6), Fischer (259-60), Fischer von Erlach (261-4), Gandon (294), von Gärtner (298), Gilly (316-7), Holland (404-5), von Klenze (466-7), von Knobelsdorff (467-9), Langhans (481-2), Moosbrugger (591-2), Mulholland (598), Pearce (651-2), Pöppelmann (684-5), Prandtauer (695-6), Rennie (723-4), Repton (727-8), Roberts (735-6), Schinkel (797-8), Schlüter (799-800), Stuart (862-3), Taylor (877-8), the Thumbs (896-7), Weinbrenner (982-3), the Zimmermanns (1014-5), Brandenburg Gate, Berlin (309-11), Neue Wache, Berlin (317-8), Custom House, Dublin (533-4), Marktplatz, Lübeck (335-6), Amalienburg, Munich (336-8), Königsbau, Munich (338-9), Michaelskirche, Munich (339-42), Propyläen, Munich (343-5), Asamkirche, Munich (345‑7), Nikolaikirche, Potsdam (350-2), Sans Souci, Potsdam (352-4), Wallfahrtskirche  Steinhausen (355-6), Wallfahrtskirche Vierzehnheiligen (362-4), Abbey Church, Weingarten (346-6), Schloss Mirabell, Salzburg (103-4), The Belvedere, Vienna (105-7), Hofburg, Vienna (107-9), Karlskirche, Vienna (110-111), Piaristenkirche Maria Treu, Vienna (113-4), and Schloss Schönbrunn, Vienna (120-1). ISBN 1-55862-088-5 

Contributor to Una Arquitectura para la Muerte. I Encuentro Internacional Sobre Los Cementerios Contemporaneos. Actas. Proceedings of the Conference held in Seville, June 1991 (Junta de Andalucia, 1993) 143-57. ISBN 84-8095-013-7 

Contributor to Contemporary Architects edited by Muriel Emanuel (Detroit MI and London: St James Press, 1994) Essays on Beaudouin (95), Costa (202), Deilmann (236), Jeanneret (482), May (628), and van Eesteren (993). ISBN 1-55862-182-2

Contributor to L’Égyptomanie à  l’épreuve de l’archéologie Actes du colloque international organisé au musée du Louvre par le Service culturel les 8 et 9 Avril 1994 sous la direction scientifique de Jean-Marcel Humbert (Brussels: Éditions du Gram and Paris: Musée du Louvre, 1996) 345-65. ISBN 90 5349 148 1

Contributor to Culture and Identity in Late 20th-Century Scotland edited by Lester Borley (Phantassie: Tuckwell Press, 1998) 203-13.
ISBN 1 86232 041 1 

Contributor to A Republic for the Ages. The United States Capitol and the Political Culture of the Early Republic edited by Donald R Kennon (Charlottesville, VA.: University Press of Virginia, 1999) 214-67. ISBN 0-8139-1795-6

Contributor to Een Introductie tot de zorg voor het Funerair Erfgoed. Verlagsboek edited by Herman Balthazar (Brussels: Vlaamse Contactcommissie Monumentenzorg, 1999) 9‑21. ISBN 90-761 50, 9-21

Catalogue essay, ‘Giovanni Battista Piranesi: an introductory essay’ in the Catalogue of the Exhibition Giovanni Battista Piranesi: Fantasies, Views and Fragments (Uppingham, Rutland: Goldmark Gallery, 2000), 5-9. ISBN 1 870507 40 1 (hbk.) and 1 870407 45 2 (pbk.)

Kensal Green Cemetery. The Origins & Development of the General Cemetery of All Souls, Kensal Green, London, 1824-2001 (Edited) (Chichester: Phillimore & Co. Ltd., 2001). ISBN 1 86077 194 7

Introductory Essay to Irish Cathedrals, Churches, and Abbeys, edited by Brendan O’Neill (London: Caxton Editions, 2002).
ISBN 1 84067 416 4

Introductory Essay to Irish Castles and Historic Houses, edited by Brendan O’Neill (London: Caxton Editions, 2002). ISBN 1 84067 417 2

Foreword to Anti-Architecture and Deconstruction by Nikos A. Salingaros, with Christopher Alexander, Brian Hanson, Michael Mehaffy, and Terry M. Mikiten (Solingen: Umbau-Verlag, 2004). ISBN 3-937954-01-5

Introductory Essay in Italian Memorial Sculpture 1820-1940. A Legacy of Love by Sandra Berresford, with photographs by Robert W. Fichter and Robert Freidus (London: Frances Lincoln, 2004). ISBN 0 7112 2384 X

Symbolism in Eighteenth-Century Gardens: Some Observations in Symbolism in 18th-Century Gardens: The Influence of Intellectual and Esoteric Currents, such as Freemasonry edited by Jan A M Snoek, Monika Scholl, and Andréa A Kroon (Den Haag: OVN 2006) 25-67. ISBN:10:90-807778-3-8 and ISBN-13: 978-90-807778-3-5

L’architecture de la franc-maçonnerie dans les Îles Britanniques in Architectures maçonniques (Brussels: Archives d’Architecture Moderne, 2006) 19-39. ISBN 2-87143-168-X and ISBN 978-2-87143-168-8

'Church Monuments in Hampshire: A Petrean Connection' Peterhouse Annual Record 2004/2005 edited by Philip Pattenden (Cambridge: The Master and Fellows of Peterhouse 2008) 64-74