Clark Ashton Smith
His novel, "As it is Written", was published by Donald M. Grant, Publisher, Inc. in 1982 under the name "Clark Ashton Smith". The manuscript for the novel was discovered in the files of "The Thrill Book" magazine and mistakenly believed by several Clark Ashton Smith experts to be the work of Clark Ashton Smith using Cass as a pseudonym. After the novel was published, the mistake was discovered.