Name:	Algeciras Market Hall
	Designer:	Eduardo Torroja
	Location:	Cadiz Spain
	Date:	1934
	Form:	Thin shell
	Material:	Reinforced concrete
	Page(s):	N/A
	Image Source(s):	David P. Billington

	Name:	Bayonne Bridge
	Designer:	Othmar Ammann
	Location:	New York / New Jersey USA
	Date:	1931
	Form:	Arch
	Material:	Steel
	Page(s):	140
	Image Source(s):	Main & 1:  Watson, p. 2 2:  J. Wayman Williams

	Name:	Barbieri & Leggire Gas Station
	Designer:	Eladio Dieste
	Location:	Uruguay
	Date:	1976
	Form:	Thin shell
	Material:	Prestressed brick
	Page(s):	N/A
	Image Source(s):	N/A

	Name:	Britannia Bridge
	Designer:	Robert Stephenson
	Location:	Menai Straits Wales
	Date:	1850
	Form:	Tubular girder
	Material:	Iron
	Page(s):	58
	Image Source(s):	Main:  Hayden, p. 78 1:  Elizabeth N. Billington

	Name:	Brooklyn Bridge
	Designer:	John A. Roebling
	Location:	East River New York USA
	Date:	1883
	Form:	Suspension Bridge
	Material:	Steel and masonry
	Page(s):	18, 83
	Image Source(s):	Main:  Steinman, Practical Treatise, p. 198 1 - 3:  David P. Billington 4:  Trachtenberg, op. p 86

	Name:	Cement Hall
	Designer:	Robert Maillart
	Location:	Zurich Switzerland
	Date:	1939
	Form:	Thin shell
	Material:	Reinforced concrete
	Page(s):	168
	Image Source(s):	Main:  Joedicke, p. 41 1:  Prader & Cie. A.G. 2:  Ros, p. 33

	Name:	Cincinnati Bridge
	Designer:	John A. Roebling
	Location:	Ohio River Cincinnati USA
	Date:	1866
	Form:	Suspension Bridge
	Material:	Iron and masonry
	Page(s):	79
	Image Source(s):	Main:  David P. Billington 1:  Hayden, p. 114

	Name:	Citigroup Center
	Designer:	Hugh Stubbins / William LeMessurier
	Location:	New York USA
	Date:	1977
	Form:	Tower
	Material:	Steel
	Page(s):	N/A
	Image Source(s):	Main and 1:  User Trxr4kds at en.wikipedia.org 2:  Johan Burati

	Name:	Cook County Administration Building
	Designer:	Fazlur Khan
	Location:	Chicago USA
	Date:	1965
	Form:	Frame Tower
	Material:	Steel
	Page(s):	N/A
	Image Source(s):	Canada National Research Council

	Name:	Craigellachie Bridge
	Designer:	Thomas Telford
	Location:	River Spey Elgin Scotland
	Date:	1814
	Form:	Arch
	Material:	Iron
	Page(s):	32
	Image Source(s):	Elizabeth N. Billington

	Name:	Cristo Obrero Church
	Designer:	Eladio Dieste
	Location:	Atlantida Uruguay
	Date:	1956
	Form:	Thin shell
	Material:	Prestressed brick
	Page(s):	N/A
	Image Source(s):	Vicente del Amo

	Name:	Delaware Water Gap Toll Bridge
	Designer:	N/A
	Location:	Delaware River New Jersey and Pennsylvania USA
	Date:	1953
	Form:	Arch
	Material:	Reinforced concrete
	Page(s):	N/A
	Image Source(s):	David P. Billington

	Name:	Eads Bridge
	Designer:	James B. Eads
	Location:	Mississippi River St. Louis, Missouri USA
	Date:	1874
	Form:	Arch
	Material:	Steel
	Page(s):	117
	Image Source(s):	Main & 1:  J. Wayman Williams 2:  David P. Billington

	Name:	Eiffel Tower
	Designer:	Gustave Eiffel
	Location:	Paris France
	Date:	1889
	Form:	Trussed Tower
	Material:	Iron
	Page(s):	12
	Image Source(s):	David P. Billington

	Name:	Empire State Building
	Designer:	Gregory Johnson
	Location:	New York USA
	Date:	1931
	Form:	Frame Tower
	Material:	Steel
	Page(s):	N/A
	Image Source(s):	Main:  David Shankbone 1:  David P. Billington

	Name:	Felsenau Bridge
	Designer:	Christian Menn
	Location:	Aare River Bern Switzerland
	Date:	1974
	Form:	Hollow box girder
	Material:	Prestressed concrete
	Page(s):	252
	Image Source(s):	David P. Billington

	Name:	Forth Bridge
	Designer:	Benjamin Baker
	Location:	Firth of Forth Scotland
	Date:	1890
	Form:	Cantilever
	Material:	Steel
	Page(s):	120
	Image Source(s):	Main - 3:  Elizabeth N. Billington 4:  Hayden, p. 98

	Name:	Ganter Bridge
	Designer:	Christian Menn
	Location:	Brig Switzerland
	Date:	1980
	Form:	Cable-Stayed
	Material:	Prestressed concrete
	Page(s):	258
	Image Source(s):	Main & 1:  David P. Billington 2:  Christian Menn

	Name:	Garabit Viaduct
	Designer:	Gustave Eiffel
	Location:	Truyere River St. Flour France
	Date:	1884
	Form:	Arch
	Material:	Iron
	Page(s):	70
	Image Source(s):	Main:  Editions du Lys 1 & 2:  Insolera, p. 95, 104 3 - 5:  David P. Billington

	Name:	Gateway Arch
	Designer:	Eero Saarinen / Fred Severud
	Location:	100 Washington Avenue St. Louis, Missouri USA
	Date:	1965
	Form:	Arch
	Material:	Reinforced Concrete and Steel
	Page(s):	N/A
	Image Source(s):	David P. Billington

	Name:	General Rafael Urdaneta Bridge
	Designer:	Riccardo Morandi
	Location:	Maracaibo Venezuela
	Date:	1962
	Form:	Cable-Stayed
	Material:	Steel, Reinforced Concrete
	Page(s):	N/A
	Image Source(s):	Carlos A�ez (Structurae)

	Name:	George Washington Bridge
	Designer:	Othmar Ammann
	Location:	Hudson River New York USA
	Date:	1931
	Form:	Suspension Bridge
	Material:	Steel
	Page(s):	132
	Image Source(s):	Main:  Dana and Anderson, fig. 1 1:  Ammann, "George Washington," fig. 4 2:  J. Wayman Williams

	Name:	Golden Gate Bridge
	Designer:	Joseph Strauss
	Location:	San Francisco USA
	Date:	1937
	Form:	Suspension Bridge
	Material:	Steel
	Page(s):	N/A
	Image Source(s):	David P. Billington

	Name:	Hearst Tower
	Designer:	Norman Foster / The Cantor Seinuk Firm
	Location:	New York USA
	Date:	2006
	Form:	Diagrid Tower
	Material:	Steel
	Page(s):	N/A
	Image Source(s):	Main:  User Alsandro at en.wikipedia.org 1:  User OptimumPx at en.wikipedia.org

	Name:	Hell Gate Bridge
	Designer:	Gustav Lindenthal
	Location:	East River New York USA
	Date:	1916
	Form:	Arch
	Material:	Steel
	Page(s):	126
	Image Source(s):	Main:  Ammann, "Hell Gate," fig. 9 1:  J. Wayman Williams

	Name:	Iron Bridge
	Designer:	Abraham Darby III
	Location:	Severn River Coalbrookdale England
	Date:	1779
	Form:	Arch
	Material:	Iron
	Page(s):	29
	Image Source(s):	Main:  Ironbridge Gorge Museum Trust 1:  Trinder, cover

	Name:	John Hancock Center
	Designer:	Fazlur Khan
	Location:	Chicago USA
	Date:	1970
	Form:	Trussed tube
	Material:	Steel
	Page(s):	241, 263
	Image Source(s):	Main:  J. Wayman Williams 1 - 3:  David P. Billington

	Name:	Kresge Auditorium
	Designer:	Eero Saarinen
	Location:	Cambridge USA
	Date:	1955
	Form:	Thin Shell
	Material:	Reinforced concrete
	Page(s):	N/A
	Image Source(s):	Main:  Arvind Thiagarajan 1:  David P. Billington

	Name:	Leonard P. Zakim Bunker Hill Memorial Bridge
	Designer:	Christian Menn
	Location:	Boston USA
	Date:	2003
	Form:	Cable-Stayed
	Material:	Steel and Reinforced concrete
	Page(s):	N/A
	Image Source(s):	Main:  User R at en.wikipedia.org 1:  User Wasted Time R at en.wikipedia.org 2:  User ROxBo at en.wikipedia.org

	Name:	Little Sports Palace
	Designer:	Pier Luigi Nervi
	Location:	Rome Italy
	Date:	1957
	Form:	Ribbed dome
	Material:	Reinforced concrete
	Page(s):	181
	Image Source(s):	Main - 3:  David P. Billington 4:  Nervi, Pier Luigi

	Name:	Magazzini Generali Warehouse Shed
	Designer:	Robert Maillart
	Location:	Chiasso Switzerland
	Date:	1924
	Form:	Truss roof
	Material:	Reinforced concrete
	Page(s):	167
	Image Source(s):	M.-C. Blumer-Maillart

	Name:	Menai Bridge
	Designer:	Thomas Telford
	Location:	Menai Straits Wales
	Date:	1826
	Form:	Suspension
	Material:	Iron and masonry
	Page(s):	35
	Image Source(s):	Main & 1:  Elizabeth N. Billington 2:  David P. Billington

	Name:	Menara Mesiniaga
	Designer:	Ken Yeang
	Location:	Malaysia
	Date:	1992
	Form:	Tower
	Material:	Steel
	Page(s):	N/A
	Image Source(s):	User nazrey at www.skyscrapercity.com

	Name:	Millau Viaduct
	Designer:	Michel Virlogeux and Norman Foster
	Location:	Millau France
	Date:	2004
	Form:	Cable-Stayed
	Material:	Steel and reinforced oncrete
	Page(s):	N/A
	Image Source(s):	Main:  Simon Cole 1:  Dr. Klaus Janberg at en.structurae.de 2:  Roland Nizet at en.structurae.de

	Name:	Monadnock Building
	Designer:	John W. Root
	Location:	53 W Jackson Blvd Chicago, Illinois USA
	Date:	1892
	Form:	Frame building
	Material:	Iron and masonry
	Page(s):	110
	Image Source(s):	Main:  J. Wayman Williams 1:  David P. Billington

	Name:	Munich Ice-Scating Rink
	Designer:	Kurt Ackermann, Rudolf Bergermann, and Jorg Schlaich
	Location:	Munich Germany
	Date:	1983
	Form:	Tension Fabric Roof
	Material:	Steel, Wood, Canvas
	Page(s):	N/A
	Image Source(s):	1:  Hubert Rettenmeier at en.structurae.de

	Name:	Niagra River Bridge
	Designer:	John A. Roebling
	Location:	Niagra River Niagra Falls USA
	Date:	1855
	Form:	Suspension Bridge
	Material:	Iron and masonry
	Page(s):	76
	Image Source(s):	Main:  Trachtenberg, op. p. 86 1:  Steinman, op. p. 196

	Name:	Orly Dirigible Hangars
	Designer:	Eugène Freyssinet
	Location:	Paris France
	Date:	1921
	Form:	Ribbed Arch Roof
	Material:	Reinforced concrete
	Page(s):	207
	Image Source(s):	Leroy, Marmillot, and Provost, p. 6

	Name:	Pantheon
	Designer:
	Location:	Rome Italy
	Date:	124
	Form:	Dome
	Material:	Concrete
	Page(s):	177
	Image Source(s):	Department of Art and Archeology, Princeton University

	Name:	Pia Maria Bridge
	Designer:	Gustave Eiffel
	Location:	Douro River Oporto Portugal
	Date:	1877
	Form:	Arch
	Material:	Iron
	Page(s):	68
	Image Source(s):	Main:  Centre Georges Pompidou, Paris 1:  T. Agans

	Name:	Plougastel Bridge
	Designer:	Eugène Freyssinet
	Location:	Brest France
	Date:	1930
	Form:	Hollow-box Arch
	Material:	Reinforced Concrete
	Page(s):	203
	Image Source(s):	Main:  Leroy, Marmillot, and Provost, p. 10 1:  Architecture Vivante

	Name:	Puente del Alamillo
	Designer:	Santiago Calatrava
	Location:	Seville Spain
	Date:	1992
	Form:	Cable-Stayed
	Material:	Steel and reinforced concrete
	Page(s):	N/A
	Image Source(s):	Main:  Andrew Dunn 1:  Seville Tourism Bureau

	Name:	Reichenau Bridge
	Designer:	Christian Menn
	Location:	Rhine River Reichenau Switzerland
	Date:	1964
	Form:	Deck stiffened arch
	Material:	Prestressed/reinforced Concrete
	Page(s):	251
	Image Source(s):	Main:  Christian Menn 1-4:  David P. Billington

	Name:	Roof for the Sicli Company Building
	Designer:	Heinz Isler
	Location:	Geneva Switzerland
	Date:	1969
	Form:	Thin-shelled
	Material:	Reinforced concrete
	Page(s):	226
	Image Source(s):	Heinz Isler

	Name:	Rouzat Viaduct
	Designer:	Gustave Eiffel
	Location:	Gannat France
	Date:	1869
	Form:	Truss tower/girder
	Material:	Iron
	Page(s):	66
	Image Source(s):	David P. Billington

	Name:	St. Johns Bridge
	Designer:	David Steinman
	Location:	Willamette River Portland, Oregon USA
	Date:	1931
	Form:	Suspension Bridge
	Material:	Steel
	Page(s):	146
	Image Source(s):	David P. Billington

	Name:	30 St. Mary Axe
	Designer:	Norman Foster / Arup (firm)
	Location:	London England
	Date:	2003
	Form:	Trussed tube tower
	Material:	Steel
	Page(s):	N/A
	Image Source(s):	Main:  User Paste at en.wikipedia.org 1:  David Iliff 2:  User H005 at en.wikipedia.org

	Name:	Salginatobel Bridge
	Designer:	Robert Maillart
	Location:	Schiers Switzerland
	Date:	1930
	Form:	Three-hinged hollow box Arch
	Material:	Reinforced concrete
	Page(s):	160
	Image Source(s):	David P. Billington

	Name:	Saltash Bridge
	Designer:	Isambard Kingdom Brunel
	Location:	Plymouth England
	Date:	1859
	Form:	Lenticular truss
	Material:	Iron
	Page(s):	56
	Image Source(s):	Main - 3:  Elizabeth N. Billington 4:  William Morgan

	Name:	School Roof
	Designer:	Antonio Gaud�
	Location:	Barcelona Spain
	Date:	1909
	Form:	Thin-shell
	Material:	Tile
	Page(s):	186
	Image Source(s):	David P. Billington

	Name:	Schwandbach Bridge
	Designer:	Robert Maillart
	Location:	Switzerland
	Date:	1933
	Form:	Deck-stiffened Arch
	Material:	Reinforced Concrete
	Page(s):	162
	Image Source(s):	Main & 1:  Billington, Maillart, p. 97 2 & 3:  Bern Highway Department

	Name:	Sears Tower
	Designer:	Fazlur Khan
	Location:	Chicago USA
	Date:	1974
	Form:	Bundled tube
	Material:	Steel
	Page(s):	243
	Image Source(s):	David P. Billington

	Name:	Stauffacher Bridge
	Designer:	Robert Maillart
	Location:	Zurich Switzerland
	Date:	1899
	Form:	Three-hinged Arch
	Material:	Reinforced concrete
	Page(s):	157
	Image Source(s):	Billington, Maillart, p. 17, 22

	Name:	Sunniberg Bridge
	Designer:	Christian Menn
	Location:	Switzerland
	Date:	1998
	Form:	Cable-Stayed
	Material:	Steel and reinforced concrete
	Page(s):	N/A
	Image Source(s):	Main:  User Ikiwaner at en.wikipedia.org 1:  J�rg Mathis at en.structurae.de 2:  Tiefbauamt Graub�nden

	Name:	Tavanasa Bridge
	Designer:	Robert Maillart
	Location:	Tavanasa Switzerland
	Date:	1905
	Form:	Three-hinged hollow box arch
	Material:	Reinforced concrete
	Page(s):	159
	Image Source(s):	Main - 2:  Billington, Maillart, p. 36, 38 3:  Princeton Maillart Archive, R. Maillart 4:  Canton Graubunden, Switzerland 5:  Ros, p. 233

	Name:	Verrazano-Narrows Bridge
	Designer:	Othmar Ammann
	Location:	New York USA
	Date:	1964
	Form:	Suspension Bridge
	Material:	Steel
	Page(s):	N/A
	Image Source(s):	Main:  User Vvnng1 at en.wikipedia.org 1:  User Rruss at en.wikipedia.org 2:  Andrew Chen 3:  Arturo Ramos

	Name:	Wainwright Building
	Designer:	Louis Sullivan
	Location:	St. Louis USA
	Date:	1891
	Form:	Frame building
	Material:	Steel
	Page(s):	109
	Image Source(s):	Main:  David P. Billington 1:  Condit, Chicago School, fig. 100

	Name:	Walnut Lane Bridge
	Designer:	George S. Webster
	Location:	Philadelphia USA
	Date:	1908
	Form:	girder
	Material:	Prestressed concrete
	Page(s):	N/A
	Image Source(s):	David P. Billington

	Name:	Woolworth Building
	Designer:	Cass Gilbert
	Location:	New York USA
	Date:	1913
	Form:	Tower
	Material:	Steel
	Page(s):	N/A
	Image Source(s):	Main:  User Lupo at en.wikipedia.org 1:  David P. Billington

	Name:	Xochimilco Restaurant Roof
	Designer:	Felix Candela
	Location:	Mexico City Mexico
	Date:	1958
	Form:	Thin shell
	Material:	Reinforced concrete
	Page(s):	191
	Image Source(s):	Felix Candela

	Name:	Zarzuela Hippodrome Roof
	Designer:	Eduardo Torroja
	Location:	Madrid Spain
	Date:	1935
	Form:	Thin shell
	Material:	Reinforced concrete
	Page(s):	187
	Image Source(s):	David P. Billington

	Name:	Zubizuri
	Designer:	Santiago Calatrava
	Location:	Bilbao Spain
	Date:	1997
	Form:	Arch
	Material:	Steel
	Page(s):	N/A
	Image Source(s):	Main - 2:  Naftali Raz 3:  Roberto Gordo Saez

	Name:	Zuoz Bridge
	Designer:	Robert Maillart
	Location:	Zuoz Switzerland
	Date:	1901
	Form:	three hinged hollow-box arch
	Material:	Reinforced concrete
	Page(s):	157
	Image Source(s):	Main:  Christian Menn 1:  Billington, Maillart, p. 23