I have found the following Links to be enourmously helpful in my research. They also are very helpful for teachers and others who are eager to learn more about our American Treasures:
 

For lyrics for Popular Songs in American History

http://www.contemplator.com/america

For the Flag

http://wilstar.com/holidays/pledge.htm
 
 

For Memorial Day

http://www.usmemorialday.org/
 
 

For the Declaration of Independence

http://www.ushistory.org/declaration/

http://www.historychannel.com/exhibits/declaration/