It's (Slave Songs of the Georgia Sea Islands) well worth buying & there's a pretty good collection with music. I found a copy in a public Library just outside of Boston maybe in the late 70's & since always kept an eye open for an available copy. Two years ago I found a copy on E-Bay & got it for a rock bottom price. A good number of the songs you can find on recordings by the Georgia Sea Island Singers. They don't cover many of those songs when at festivals or concert because they're passing on as much as they can to the younger singers of the group so they concentrate on the songs better known by the younger singers. Some of these songs are also sung by Frankie Quimby & her husband. The author & collector Lydia Parrish lived on the St Simon's Island & had a building built so the "negro's" could perform there for pay for "whitey" oover from the mainland (Lydia's friends I believe). Not matter what she thought of them or how she dealt with them she put together a very good collection. She figured that she was the main reason for the survival of these songs & by accounts from other collectors was very territorial about them.
Barry