This site offers some great information and facts about The U.S. Great Seal.
Informational videos
These are books you can check out at P-W library
The Great Seal of the United States by Norman Pearl; Matthew Skeens (Illustrator)
ISBN: 1404822143
Publication Date: 2006-07-01
How do Americans know that government papers are real? If you see an eagle holding a shield, and a pyramid with an eye above it, the papers are no fakes. Listen to Benjamin Franklin as he talks about the birth of the Great Seal in 1782 and why it's still so important to our country today.
The Bald Eagle by Tristan Boyer Binns
ISBN: 1588101185
Publication Date: 2001-01-01
Why does the eagle on the Great Seal hold arrows and an olive branch? Which bird was first suggested for the Great Seal? What do eagle feathers stand for? Find the answers to these questions and more when you read 'The Bald Eagle'.