(1) The Letters of Henry Adams, Volume IV: 1892–1899 Henry Adams, J. C. Levenson, Ernest Samuels, Charles Vandersee, Viola Hopkins Winner ISBN: 9780674968042 Harvard University Press View at publisher
(2) The Letters of Henry Adams, Volume V: 1900–1905 Henry Adams, J. C. Levenson, Ernest Samuels, Charles Vandersee, Viola Hopkins Winner ISBN: 9780674968059 Harvard University Press View at publisher
(3) The Letters of Henry Adams, Volume VI: 1906–1918 Henry Adams, J. C. Levenson, Ernest Samuels, Charles Vandersee, Viola Hopkins Winner ISBN: 9780674968066 Harvard University Press View at publisher
(4) Typographic Communications Today by Edward M. Gottschall ISBN: 9780262071147 MIT Press View at publisher
(5) Nineteenth-Century Theories of Art Joshua C. Taylor ISBN: 9780520048881 University of California Press View at publisher