M B · Mahir Bektas · Mar Bostwick · Marie Bostwick
| title | ISBN-13 | year of publication |
|---|---|---|
| Businessman's Wife | 978-0-220-66855-6 | 1972 |
| Creative Techniques for Management | 978-0-220-66892-1 | 1972 |
| Etiquette for the Businessman at Home and Abroad | 978-0-220-69859-1 | 1967 |
| Instant Business Letters | 978-0-220-79404-0 | 1968 |
| Personal Letters for Businessmen | 978-0-220-69480-7 | 1966 |
| Top Secretary | 978-0-220-79932-8 | 1970 |