Supernatural in Modern English Fiction by Dorothy Scarborough, New York, 1917.
Old Gods Falling by Malcolm Elwin, mere mention, MacMillan, 1939.
Twentieth Century Authors by Kuntz and Haycraft, a sketch and brief bibliography, New York, 19(?)
Mainly Victorian by S. M. Ellis, mentions Machen, London, 1925.
Some Modern Authors by S. P. Mais, mentions Machen, 1923.
When I Was a Child, anthology edited by Edward Wagenknecht, contains portion of Machen’s autobiography under the title: BOY OF CAERLEON.