in graphite, below plate mark, lower left: Trial proof VIII, lower right: John Taylor Arms - 1900 / pt / x
- Prints by James McNeill Whistler and His Contemporaries, National Gallery of Art, Washington, 1995, as Rio dei Santi Apostoli.
- Arms, Dorothy Noyes, Marie Probstfield, and May Bradshaw Hayes. Descriptive Catalogue of the Work of John Taylor Arms. Unpublished ms., 1962: 228.
- Fletcher, William Dolan. John Taylor Arms, A Man for All Time: The Artist and His Work. New Haven, CT: The Sign of the Arrow, 1982, no. 226.