His The symbolist movement in literature ... 1899.
BL database 19 Dec.2007 (hdg.: SYMONS, Arthur William)
Wikipedia, viewed June 28, 2016 (Arthur Symons; born 28 February 1865 in Milford Haven, Wales; died 22 January 1945; British poet, critic and magazine editor; wrote Studies in Prose and Verse (1904) and Confessions: A Study in Pathology (1930)) https://en.wikipedia.org/wiki/Arthur_Symons