The Machu Picchu guidebook : a self-guided tour /

by Wright, Ruth M, Wright, Ruth M, Wright, Ruth M
Published 2004

Machu picchu revealed /

by Wright, Ruth M
Published 2008

The front of South Fredericksburgh /

by Wright, Ruth M (Ruth Marguerite), 1925-2011
Published 1999

Moray : Enigma de la ingeniería Incaica /

by McEwan, Gordon Francis, McEwan, Gordon Francis, McEwan, Gordon Francis, Valencia Zegarra, Alfredo, Valencia Zegarra, Alfredo, Valencia Zegarra, Alfredo, Wright, Kenneth R, Wright, Kenneth R., Wright, Kenneth R., Wright, Ruth M, Wright, Ruth M., Wright, Ruth M.
Published 2017

Moray : Enigma de la ingenieri��a Incaica /

by McEwan, Gordon Francis, Valencia Zegarra, Alfredo, Wright, Kenneth R., Wright, Ruth M.
Published 2017

Incamisana : engineering an Inca water temple /

by Wright, Kenneth R, Wright, Kenneth R., Wright, Kenneth R., Wright, Kenneth R., Gibaja Oviedo, Arminda, Gibaja Oviedo, Arminda, Gibaja Oviedo, Arminda, McEwan, Gordon Francis, McEwan, Gordon Francis, McEwan, Gordon Francis, Miksad, Richard W., Miksad, Richard W., Miksad, Richard W., Wright, Ruth M, Wright, Ruth M., Wright, Ruth M.
Published 2016

Tipon : water engineering masterpiece of the Inca empire /

by Wright, Kenneth R, Wright, Kenneth R
Published 2006

Tipon : water engineering masterpiece of the Inca empire /

by Wright, Kenneth R
Published 2006

Tipon : water engineering masterpiece of the Inca empire /

by Wright, Kenneth R
Published 2006

Tipon : water engineering masterpiece of the Inca empire /

by Wright, Kenneth R
Published 2006

Machu Picchu : maravilla de la ingeniería civil /

by Wright, Kenneth R
Published 2006

Machu Picchu : a civil engineering marvel /

by Wright, Kenneth R, Wright, Kenneth R, Wright, Kenneth R
Published 2000

Moray : Inca engineering mystery /

Published 2011

American civil engineering history : the pioneering years : proceedings of the Fourth National Congress on Civil Engineering History and Heritage, November 2-6, 2002, Washington, D...

Published 2003