Not sure how to find information in these introductory resources? Try to search for general topics. Encyclopedias can help you grasp the big picture of your topic. They work best when your search keywords are general.
For example, the following keywords and phrases may be useful:
- "contemporary art" AND market
- "contemporary art" AND economy
- "street art" AND market
- art AND investment
- "shell money"
- "thomas kinkade" AND commercial