Letter quoted in Florence Nightingale in Rome : Letters Written by Florence Nightingale in Rome in the Winter of 1847-1848 (1981), edited by Mary Keele, and Suggestions for Thought : Selections and Commentaries (1994), edited by Michael D. Calabria and Janet A. MacRae, p. xiv
Florence Nightingale Quotes
Cassandra (1860)
Letter to a friend, quoted in The Life of Florence Nightingale Vol. II (1914) by Edward Tyas Cook, p. 406
Cassandra (1860)
Letter to John Stuart Mill (12 September 1860), published in Florence Nightingale on Society and Politics, Philosophy, Science, Education (2003) edited by Lynn McDonald
why, what else do they see?
Cassandra (1860)
Letter (5 September 1857), quoted in The Life of Florence Nightingale (1913) by Edward Tyas Cook, p. 369
Letter to Miss H. Bonham Carter, 1861. As quoted in The Gigantic Book of Teachers' Wisdom (2007) by Frank McCourt and Erin Gruwell, p. 410
Notes on Hospitals 3rd Edition (1863), Preface
Source: Letter to Lord Stanley (May 17, 1857), published in Florence Nightingale on Wars and the War Office: Collected Works of Florence Nightingale. Vol. 15 (2011), edited by Lynn McDonald, p. 265. ( online on google books https://books.google.at/books?id=NvJ0CwAAQBAJ&pg=PA265)