L. C. · L. Clark · Lyn Clark · R.C. · R. Clark
McGraw-Hill · South-Western College Pub
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Business English and Communication | 978-0-07-061432-1 | 1987 | Kenneth Zimmer · Tinervia J. · Joseph Tinervia · Marie M. Stewart |
| Business English and Communication, Student Edition | 978-0-02-800990-2 | 1993 | |
| How 10: Handbook for Office Professionals | 978-0-324-17882-1 | 2003 | James L. Clark |
| HOW 11: A Handbook for Office Professionals | 978-0-324-39993-6 | 2006 | " |
| HOW 12: A Handbook for Office Professionals | 978-0-324-66239-9 | 2009 | " |
| Workbook for Clark/Clark's HOW 11: A Handbook for Office Professionals, 11th | 978-0-324-39995-0 | 2006 | " |