I tried checking some old hymnals as well, but people who went to the 'better' churches regarded camp meeting songs as the province of holy-rollers and the like.
Not in "The Golden Sheaf," 1902.

I would like to see H. D. Pinney, 1863, "The Melodies of Zion;" Berry and Black (Eds.), 1895, "Songs of the Soul for Use in Sunday Evening Congregations, Revivals, Camp-Meetings, Social Services and Young People's Meetings;" C. A. Gage, 1909, Songs for the Jubilee" (Des Plaines Camp Meeting of 1860 (a Woodstock of its time) and its followers- has 103 hymns); and other similar works of the period 1850-1910. Most are scarce and expensive but a very few have been reprinted.
Andrews, W. L., ed., 1986, "Sisters of the Spirit," which covers some of the Black female gospel singers of the period 1830-1880, is an important work on these little-known early Black gospelers.