Flush: a biography, by Virginia Woolf : Authorities

It must be admitted that there are very few authorities for the foregoing biography. But the reader who would like to check the facts or to pursue the subject further is referred to:

To Flush, My Dog. and Flush, or Faunus. Poems by Elizabeth Barrett Browning.
The Letters of Robert Browning and Elizabeth Barrett Browning. 2 vols.
The Letters of Elizabeth Barrett Browning, edited by Frederick Kenyon. 2 vols.
The Letters of Elizabeth Barrett Browning addressed to Richard Hengist Horne, edited by S. R. Townshend Mayer. 2 vols.
Elizabeth Barrett Browning: letters to her sister 1846-1859, edited by Leonard Huxley, LL.D.
Elizabeth Barrett Browning in her Letters, by Percy Lubbock.
References to Flush are to be found in the Letters of Mary Russell Mitford, edited by H. Chorley. 2 vols.
For an account of London Rookeries, The Rookeries of London, by Thomas Beames, 1850, may be consulted.