New-York Daily Tribune
“First of August” · August 1, 1845, August 1845 · p. 1“Mrs. Norton writes a poem on the sufferings of the poor, and in it she, as episode, tunefully laments the sufferings of the Emperor of all the Russias for the death of a beloved daughter.”
Fuller, Margaret. Life Without and Life Within; or, Reviews, Narratives, Essays, and Poems. Edited by Arthur B. Fuller. Boston: Brown, Taggard and Chase, 1860.
Inferred Margaret Fuller explicitly identifies Mrs. Norton (Caroline Norton, 1808–1877) as the author.