Works
Weird Tales
OAK was a member of the original Weird Tales editorial team.
- The Thing of a Thousand Shapes, March 1923
- The Phantom Wolfhound, June 1923 (transcription project)
- Corpse on the Third Slab, July-August 1923 (transcription project)
- The Cup of Blood, Sept 1923 and June 1935 (transcription project)
- Malignant Entity, May-June-July 1924 (later appeared in Amazing Stories) (transcription project)
- Why Weird Tales? (article), May-June-July 1924 and Weird Tales, March 1934 (transcription project)
- The Phantom Rider, Nov 1924 (transcription project)
Detective Tales
- The Dead Robin, Sep 1923
- Woorali Death (The Ferret), October 1923
- The Thumb Verdict, 1923 or 1924
Real Detective Tales
- The Seventh Coffin, Sept 1924
- Man in the Scarlet Mask, Dec 1924
- The Gila Men, July-Sept-Nov 1925
- Convict Ranch, Feb-March 1926
- Jaws of Death, February 1927
Flynn's Detective Weekly
- Death in the Air, Dec 20, 1924
- Crystal Clews, Mar 21 or Sept 21 or November 21, 1925
Amazing Stories
- The Malignant Entity, (June 1926) - Amazing Stories Quarterly, Fall 1934 - Amazing Stories, Feb 1966 ~ Dr. Dorp Series
- The Radio Ghost, September 1927
Venus series
- Planet of Peril (1929)
- The Prince of Peril (1930) (© Copyright Renewed: Ellen Grove Kline (W); 4Feb58; R208344.)
- The Port of Peril (1932)
Mars series
- The Swordsman of Mars (1933)
- Outlaws of Mars (1933)
Other novels and stories
- Chapter 8 of Cosmos (1934), with E. Hoffman Price
- The Yellow Killer (with Harold Ward) - The Detective Magazine Aug 29, 1924
- Billy Holloway's Luck - People's Popular Monthly, 1924
- Maza of the Moon (1930) (© Copyright Renewed: Ellen Grove Kline (W); 4Feb58; R208345.)
- The Call of the Savage [vt Jan of the Jungle](1931)
- Tam, Son of the Tiger (1931)
- Stolen Centuries (1939)
- Jan in India (1935)
Collections
- The Man Who Limped and Other Stories (1946) (© Copyright Renewed: Ellen G. Kline (W); 21Jan74; R568516.)

Some or all works by this author are in the public domain in the United States because they were published before January 1, 1927.
The author died in 1946, so works by this author are also in the public domain in countries and areas where the copyright term is the author's life plus 75 years or less. Works by this author may also be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.

Some or all works by this author are in the public domain in the United States because they are legally published within the United States (or the United Nations Headquarters in New York subject to Section 7 of the United States Headquarters Agreement) before 1964, and copyright was not renewed.
- For Class A renewals records (books only) published between 1923 and 1963, check the Stanford University Copyright Renewal Database.
- For other renewal records of publications between 1922–1950 see the University of Pennsylvania copyright records scans.
- For all records since 1978, search the U.S. Copyright Office records.
It is imperative that contributors search the renewal databases and ascertain that there is no evidence of a copyright renewal before using this license. Failure to do so will result in the deletion of the work as a copyright violation.
The author died in 1946, so works by this author are also in the public domain in countries and areas where the copyright term is the author's life plus 75 years or less. Works by this author may also be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
