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 Unpublished ms., 1962: 228.
- William Dolan Fletcher. John Taylor Arms, A Man for All Time. New Haven: Eastern Press, 1982.