c't · R.C. · Robert T. · Robert Twombly
HarperCollins · John Wiley & Sons
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Frank Lloyd Wright: An interpretive biography | 978-0-06-090359-6 (0-06-090359-7) | 1974 |
| Frank Lloyd Wright: His Life and His Architecture | 978-0-471-85797-6 (0-471-85797-1) | 1987 |