You can view those records at www.familysearch.org/
, REcords, Catalog
Enter United States, Tennessee, Smith
These records are the digitized microfilm and are not indexed. You have to look through them like you'd do with microfilm.
You'll find other info about Smith County Records at the TN Fact Sheets, https://www.sos.tn.gov/products/tsla/genealogical-fact-sheet...
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