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Heintje Davids The Presidents On the Fourth of July - …
Chronology gives information on what the presidents were doing on the Fourth of July during their tenures.
http://gurukul.american.edu/heintze/FourthPres.htm
Fourth of July Celebrations Database - …
Fourth of July Celebrations Database Top 5% in K-12 Education Researched, Compiled, and Arranged by James R. Heintze. American University, Washington, D.C.
http://www1.american.edu/heintze/fourth.htm
