"Over Here and Over There: Places of World War I" is an exhibition on display in the Wells Library Scholars' Commons beginning December 2014.
Below are links to extend your knowledge of the items on display:
World War I Sheet Music from the Lilly Library (IN Harmony: Sheet Music from Indiana)
Ruhleben: A Digital Exhibit (Harvard Law School Library, Historical and Special Collections)
http://library.law.harvard.edu/digitalexhibits/ruhleben/
The Great War in Pictures (HathiTrust)
http://hdl.handle.net/2027/njp.32101059977254
Mademoiselle Miss (HathiTrust)
http://hdl.handle.net/2027/mdp.39015009539548
Mademoiselle Miss Continued (blog about the nurse called "Mademoiselle Miss")
http://mademoisellemisscontinued.wordpress.com/2013/10/
My Home in the Field of Honour (HathiTrust)
http://hdl.handle.net/2027/loc.ark:/13960/t13n2np23
With a Field Ambulance at Ypres (HathiTrust)
http://hdl.handle.net/2027/hvd.32044088023155
Der Krieg (HathiTrust)
The Fatherland (Villanova Digital Library)
http://digital.library.villanova.edu/Item/vudl:145655
New digital collections of primary source material on World War I
The First World War: Personal Experiences: http://libraries.indiana.edu/resources/wwi-personal-experiences
The First World War: http://libraries.indiana.edu/resources/wwi-propaganda
IUB Libraries Guide: World War I Resources
http://libraries.indiana.edu/guide-world-war-i-resources