| Answer | Crossword Clue |
|---|---|
| ICONS | Printed plates in scientific books. |
| duotone | a. method of printing an illustration either in a dark and a tinted shade of the same color or in two different colors from two plates of a monochrome original made from negatives at different screen angles b. illustration printed by this me |
| bibliographies | A list of the books referred to in a scholarly work, usually printed as an appendix |
| bibliography | A list of the books referred to in a scholarly work, usually printed as an appendix |
