- Triplanetary (Amazing Stories, Jan–Apr 1934)
- First Lensman (Fantasy Press 1950)
- Galactic Patrol (Astounding Stories Sep 1937 – Feb 1938, Fantasy Press 1950)
- Gray Lensman (Astounding Stories Oct 1939 – Jan 1940, Fantasy Press 1951)
- Second Stage Lensmen (Astounding Stories Nov 1941 – Feb 1942, Fantasy Press 1953)
- Children of the Lens (Astounding Stories Nov 1947 – Feb 1948, Fantasy Press 1954)
Set in the same universe:
- The Vortex Blaster, also known as Masters of the Vortex (simultaneously published by Fantasy Press and Gnome Press in 1960) (compilation of the three stories below)
- "The Vortex Blaster" (Comet, Jul 1941)
- "Storm Cloud on Deka", Astonishing Stories (June 1942)
- "The Vortex Blaster Makes War", Astonishing Stories (Oct 1942)
- The Skylark of Space (Amazing Stories, Aug–Oct 1928) written 1915–1920 with Mrs. Lee Hawkins Garby
- Skylark Three (Amazing Stories, Aug–Oct 1930, Fantasy Press 1948)
- Skylark of Valeron (Astounding Stories Aug 1934 – Feb 1935, Fantasy Press 1949)
- Skylark DuQuesne (Worlds of If Jun–Oct 1965, Pyramid Books 1966)
- Subspace Survivors (Astounding, Jul 1960)
- The Galaxy Primes (Amazing Stories, Mar–May 1959)
- Masters of Space (1962) with E. Everett Evans
- Spacehounds of IPC (Amazing Stories, Jul–Sep 1931)
- "Robot Nemesis" (a.k.a. "What a Course!" and "Course Perilous!", Smith's contribution to the multi-authored series Cosmos, 1934)
- "Tedric" (1953)
- "Lord Tedric" (1954)
- "The Imperial Stars" (1964)
The latter three stories were used as foundations for two series of novels written by others after Smith's death.
Some or all works by this author are in the public domain in the United States because they were 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.
- See also the Rutgers copyright renewal records for further information.
This author died in 1965, so works by this author are in the public domain in countries and areas where the copyright term is the author's life plus 57 years or less. These works may 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.
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.
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