Poems, Others
pp27–28“Nobody denies that Christianity, considered is a system of religious instruction, has its essential and fundamental doctrines ...”
Fuller, Margaret. "Poems, Others." Houghton Library, Harvard University; bMS Am 1086.
Fuller copies a substantial passage and attributes it explicitly: 'Walker on the exclusive system.' The passage discusses competing Christian denominations — Catholics (Council of Trent), Lutherans (Confession of Augsburg), Calvinists (Synod of Dort, Westminster Assembly), and the Church of England (Thirty-Nine Articles) — each claiming exclusive authority to define essential doctrines.