Margaret was a poet, novelist and translator. Her first book was The Home and Early Haunts of Robert Louis Stevenson (1895), which she followed with some books of poetry, Songs of Love and Death (1896), Thames Sonnets and Semblances (1897), and The Shadow of Love and Other Poems (1898). A novel, Agnes of Edinburgh, appeared in 1910, and she translated the poetry of Heinrich Heine for the final three volumes of the twelve volume set of The Works of Heine, published between 1892 and 1905. Her translation from the Middle High German of the Nibelungenlied into what she called "plain prose" first appeared as The Fall of the Nibelungs (1897). It was later included in the Everyman's Library, with subsequent editions retitled as The Nibelungenlied. Similarly, her translation of Gudrun, which was published in 1928, also appeared in the Everyman's Library. Along a similar vein of interest, in 1910 she translated Richard Wagner's The Ring of the Nibelung.
