Robert M. · Robert Mai · Robert May · Robert Mayhew · Roberts-M · Ruppert May
HarperCollins · New Millennium Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Next to Hughes | 978-1-893224-49-0 (1-893224-49-X) | 2004 | Richard Hack |
| Next to Hughes | 978-0-06-109033-2 (0-06-109033-6) | 1993 | " |
| Next to Hughes: Behind the Power and Tragic Downfall of Howard Hughes by His Closest Advisor | 978-0-06-016505-5 (0-06-016505-7) | 1992 | " |