... for informa-tion and materials. This is the most fun and exciting part of theprocess! Rather than just thinking about your paper, you are nowan active participant in the research process. ... from a particular time period,physical, geographical, or topographical maps,official documents (such as a census or othercollections of statistics), paintings, prints, and photographs of particular ... Guide to current and past peri-odicals and printed articles■dictionaries■other compiled indexes according to sub-ject matter, thesauruses and atlases.Often, the range and scope of referencematerials...