- Author: Walter Dennis Author Record # 24486
- Legal Name: Dennis, Walter L.
- Birthdate: 29 August 1911
- Deathdate: 28 October 2003
- Language: English
- Webpages: ancientfaces.com, Fancyclopedia 3
- Used These Alternate Names: Walter L. Dennis, Walter P. Dennis, F.P.S., Dennis McDermott
- Author Tags: Librivox (1), moon (1), Lunar Patrol (1), Venusian (1), Martian (1), Jupiter (1), Venusians (1), heat ray (1)
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Magazine Editor Series
- The 14 Leaflet
- The 14 Leaflet, Spring 1937 (1937) with William H. Dellenback [only as by William Dellenback and Walter L. Dennis]
- The Red Spot of Jupiter
- 1 The Red Spot of Jupiter (1931) with Paul McDermott and P. Schuyler Miller [only as by Dennis McDermott]
- 2 The Duel on the Asteroid (1932) with Paul McDermott and P. Schuyler Miller [only as by Dennis McDermott and P. Schuyler Miller]
- Letter (More About the Prospective Science Club, Which Seems to Be on the Way to Organization) (1929)
- Letter (O. Henry Ending Disappointment) (1929)
- Letter (Science Wonder Quarterly, Winter 1930): Correspondence Is His Method (1929)
- Letter (Amazing Stories, January 1930) (1930)
- Letter (Amazing, April 1930): The Science Correspondence Club (1930) with Raymond A. Palmer [only as by Walter L. Dennis and Raymond A. Palmer]
- Letter (Astounding Stories of Super-Science, June 1930) (1930) [also as by Walter P. Dennis, F.P.S.]
- Letter (Astounding Stories of Super-Science, October 1930) (1930) [also as by Walter L. Dennis]
- Letter (Amazing, February 1931): The Science Correspondence Club (1931) [only as by Walter L. Dennis]
- Letter (Astounding Stories, March 1931) (1931) [only as by Walter L. Dennis]
- Letter (Wonder Stories, November 1931) (Prize Winner) (1931) [only as by Walter L. Dennis]
- Prize Winning Letters (Contest Entries, Wonder Stories, November 1931 - Jack Williamson "Twelve Hours to Live" Contest) (1931) with M. Gittleman and Frank K. Kelly [only as by Walter L. Dennis and M. Gittleman and Frank K. Kelly]
- Letter (A Better Man Than I) (1932) with Paul McDermott and P. Schuyler Miller [only as by Dennis McDermott]
- Letter (Astounding Stories, January 1936): LIkes and Dislikes! (1936) [only as by Walter L. Dennis]
- Letter (Thrilling Wonder Stories, August 1939) (1939)