Abstract The Congregational Sunday-School and Publishing Society developed from the union of two earlier organizations: The Massachusetts Sabbath-School Society, and the American Doctrinal Tract Society. These two organizations joined in 1868 to form the Congregational Sabbath-School and Publishing Society. Its purpose was to "explain...and support the Congregational faith and polity" and to promote Sabbath-school organization and education. The Congregational Sunday-School and Publishing Society...