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2. Dolan, Edward. America in World War I. Milbrook Press, 1996.

3. Eggenberger, David. An Encyclopedia of Battles: Accounts of Over 1,560 Battles from 1479 B.C. to the Present. Dover Publications Inc., New York, 1985.

4. Perret, Bryan. The Battle Book: Crucial Conflicts in History from 1469 B.C. to the Present. Brockhampton Press London, 1992.

5. Tarnstrom, Ronald. Balkan Battles. Trogen Books, 1998.

6. Wilder, Amos. Armageddon Revisited : A World War I Journal. Yale University Press, 1994.