Go to IUP Special Collections and Archives web page and look through the Manuscript and Record Group listing to find collections that have relevance for the history of this period.
Look through the yearbooks available in digital format.
Consult Stephenson Indiana County 175th Anniversary History for information on the surrounding community during on WWI. (Available in regular circulating collection (Call number F157.13 S783) and in Special Collections.
Search for local newspaper articles through Access NewspaperARCHIVE