Croatians in Mississippi
The first Croatians to arrive in the United States settled in Mississippi, Alabama, Louisiana, and Texas. One of the towns they established was Slavonia in George County. For additional information see:
Guide to Croatian Genealogy by Adam S. Eterovich
Croats in Louisiana and Mississippi: A Centuries Long Story by John Peter Kraljic
There is also an extensive bibliography about Croatians, including many articles dealing with those in Mississippi.
For a printed source, see:
Greenwell, O. "Slavonia, Mississippi," Mississippi Coast Historical and Genealogical Society, June 1971.