First collected edition, 1869. Witness is volume 2 (Dramatic and Lyric Poems). Isolation. To Marguerite is in this volume; it was first printed in the 1857 Poems, of which Archive.org has no scan (title/creator/date 1854–1858 returned 0). poemsarn00arnouoft is catalogued as 1869 volume 1 but is a later collected edition (it contains Later Poems) and was not used.