https://chroniclingamerica.loc.gov/lccn/sn87065028/1918-06-13/ed-1/seq-1/

JE McCulloch, the general secretary of the Southern Sociological Congress is set to give an address to white and African American audiences in Columbus, Mississippi. He will be addressing the support for the war. 

Source: "Notred Speaker Will Be Hear Here Shortly," The Columbia Commercial, Columbia, Mississippi, June 13, 1918. Page 1, Column 6.