| Answer | Crossword Clue |
|---|---|
| ATLAS | Certain type of reference book |
| ATLAS | Certain reference book |
| INDEX | Back-of-book reference |
| BARTLETT | Compiler of a reference book. |
| GAZETTEER | One kind of reference book. |
| INDEX | Back-of-the-book reference section |
| TABLEOFCONTENTS | List at the front of a reference book |
