Amer Society of Civil Engineers · Johnson Books
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Machu Picchu: A Civil Engineering Marvel | 978-0-7844-0444-7 | 2000 | Kenneth R. Wright · Ruth M. Wright · Gordon, Ph.D. Mcewan |
| Moray: Inca Engineering Mystery | 978-0-7844-1079-0 | 2011 | Kenneth R. Wright · Ruth M. Wright · Gordon F. McEwan |
| The Machu Picchu Guidebook: A Self-Guided Tour | 978-1-55566-327-8 | 2011 | Ruth M. Wright |
| The Machu Picchu Guidebook: A Self-Guided Tour | 978-1-55566-307-0 | 2001 | " |