AfriGeneas Genealogy and History Forum
Civil War Draft Reg Records
Another source to search "U.S., Civil War Draft Registrations Records, 1863-1865"
The Image is from Iberville Parish, Louisiana which lists my GG-Grandfather J.M. Delavallade. For some enslaved persons the plantation may be listed... Read some of the comments - interesting.
link to Ancestry search page http://search.ancestry.com/search/db.aspx?dbid=1666