| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Effective Letters in Business | 978-0-07-057340-6 (0-07-057340-9) | 1963 | |
| Written Communication in Business | 978-0-07-057325-3 (0-07-057325-5) | 1964 | John Peter Williamson |
L.S. · R. L · R. S. · Robert L. Shurter · Robert Lefevre Shurter