Biographies •
Émile Zola: A Biographical and Critical Study. London: Chatto & Windus, 1893. •
Alphonse Daudet: a biographical and critical study (1894) •
My First Voyage, My First Lie (1901) in collaboration with Alphonse Daudet •
Oscar Wilde: The Story of an Unhappy Friendship. The Hermes Press, 1902. •
The Life of Oscar Wilde. London: T. Werner Laurie, 1906. •
The Real Oscar Wilde: To be used as a Supplement to, and in Illustration of "The Life of Oscar Wilde". London: T. Werner Laurie, 1917. •
The Life and Evil Fate of Guy de Maupassant (1926) • ''Oscar Wilde Twice Defended from André Gide's Wicked Lies and Frank Harris's Cruel Libels; to Which Is Added a Reply to George Bernard Shaw, a Refutation of Dr G.J. Renier's Statements, a Letter to the Author from Lord Alfred Douglas and an Interview with Bernard Shaw by Hugh Kingsmill.'' Chicago: Argus Book Shop, 1934. •
Bernard Shaw, Frank Harris and Oscar Wilde. New York: Greystone Press, 1937.
Novels •
A Bartered Honour (1883) •
The American Marquis (1888) •
Rogues (1889) • ''Agatha's Quest'' (1890) •
By Right Not Law (1891) •
The Typewritten Letter (1891) •
Jacob Niemand (1895) •
The Iron Cross (1897) •
Wolves: An Old Story Retold (1904) •
After the Fault (1906)
Poetry Whispers (1884)
Non-fiction by
Harold H. Piffard to illustrate original article which appeared in
Pearson's Magazine •
The White Slaves of England (1897) (originally serialised in ''Pearson's Magazine'') •
The Cry of the Poor (1901) •
The Closed Door (1902) •
The Child Slaves of Britain (1905) •
Modern Paris: Some Sidelights on Its Inner Life. London: T. Werner Laurie, 1912.
Autobiography •
Oscar Wilde: The Story of an Unhappy Friendship. London: privately printed, 1902. London: Greening & Co., 1905. •
Twenty Years in Paris: Being Some Recollections of a Literary Life. London: Hutchinson & Co., 1905.
Papers • University of Reading (Reading, UK) (Papers purchased 1 February 1964 from
Rupert Hart-Davis).
References • • • O'Brien, Kevin H.F. "Sherard, Robert Harborough."
The 1890s, An Encyclopedia of British Literature, Art & Culture Ed. G.A. Cevasco. New York & London: Garland Publishing, 1993. ==In popular culture==