The answer is to use credit when you need to not when you want to.
Flappers were a generation of young Western women in the 1920s who wore skirts, bobbed their hair, listened to jazz, and flaunted their disdain for what was then considered acceptable behavior.
Answer:
Databases of periodicals.
Explanation:
While it can be possible to find news articles online even from 1906 it most likely will be hard or highly unlikely that they even exist there. Government archives don't contain news or magazine articles and so on. And library books are not newspapers and other journals. Databases of periodicals contain citations of articles from magazines and newspapers and Lana should use these to find what they need.