These editions are available online from the Internet Archive:

J. B. T. Marsh, The Story of the Jubilee Singers: with Their Songs, 7th edition (London: Hodder and Stoughton, 1877)

J. B. T. Marsh, The Story of the Jubilee Singers: with Their Songs, revised edition (Boston: Houghton, Mifflin, 1880)

J. B. T. Marsh, The Story of the Jubilee Singers: with Their Songs, revised edition (Boston: Houghton, Mifflin, 1881)

J. B. T. Marsh, The Story of the Jubilee Singers Including Their Songs, with Supplement by F.J. Loudin (London: Hodder and Stoughton, 1903)