| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Table of Molecular Weights: A Companion Volume to the Merck Index | 978-0-911910-73-5 (0-911910-73-5) | 1978 |
| The Merck index: An encyclopedia of chemicals and drugs | 978-0-911910-26-1 (0-911910-26-3) | 1976 |
| The Merck index: An encyclopedia of chemicals, drugs, and biologicals | 978-0-911910-27-8 (0-911910-27-1) | 1983 |