Grolier · Southern Illinois University Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Most Mysterious Manuscript: The Voynich "Roger Bacon" Cipher Manuscript | 978-0-8093-0808-8 (0-8093-0808-8) | 1978 |
| The World's Great Classics | 978-0-7172-0001-6 (0-7172-0001-9) | 1978 |
R. B · R. S. · Robert B. · Robert S. · Robert Sherrick Brumbaugh · S. B