B. L. · B. Ritter · L. R. · L Ritter
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Realtime Theory: Conflict-Free, Real Time Machine Shorthand for Expanding Careers: 001 | 978-0-938643-01-2 (0-938643-01-0) | 2000 |
| Stened's Realtime Professional Dictionary for Stenotypists, Revised Edition | 978-0-938643-72-2 (0-938643-72-X) | 1998 |