I just want to thank the people that helped! I appreciate your thoughtfulness. As far checking out a library, I would have, except the assignment specifically indicated she was to find the resources on-line, not in a book. I love libraries. I even married a librarian who is the daughter of a librarian.
It seems in every forum, there always people who aren't interested in helping others.
I know there is at least one person here whom you should never ask to borrow a cup sugar!
Thanks to all the knowledgeable people who took the time to respond.
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Desperate Dad