- Is the information given on the topic misleading?
- Is the information given in the topic too broad? Should a new section be added for more depth?
- Can I provide something valuable to the discussions already being made on the "Talk" pages?
Also, don't discount people and places as possible topics to review.
Start with scholarly articles and books/ebooks
Wikipedia Training for Students- Do this first!!
Watch this handy, dandy tutorial on GALILEO if you've forgotten all that I've taught you.