| title | ISBN-13 | year of publication |
|---|---|---|
| ERC 1970 tax action manual | 978-0-13-884890-3 | 1970 |
| Executive's desk manual for profitable employee handling | 978-0-13-294561-5 | 1972 |
| Miracle Secretary's Guide | 978-0-13-585562-1 | 1979 |
| President's instant tax saver and tax deduction multiplier | 978-0-13-697615-8 | 1982 |
| The ERC family money book, 1984 | 978-0-13-622720-5 | 1983 |
| The ERC family money book, 1985 | 978-0-13-622739-7 | 1984 |
| The Erc Guide to Slashing Payroll Costs | 978-0-13-283747-7 | 1981 |
| Travel & Entertainment Deduction Guide: With Answers to 201 Vital Questions on How to Nail Down Big Cash Savings Under the All-New T&E Setup | 978-0-13-930090-5 | 1985 |