Some More on Slave Reunions-- Part 1

I did a Yahoo! search for slave reunions and came up with a photo titled "Slave Reunion from 1916" on Boing Boing. Unfortunately, it didn't say where it was or if the four former slaves pictures (two mwen and two women) were part of a larger group. But, being 1916, there must have been more than one slave reunions. //// This could make a good topic for a book. ////