1940s

• "Greenface" (August 1943, Unknown)
• "Agent of Vega" (July 1949, Astounding)
• "The Witches of Karres" (Novella, December 1949, Astounding)

1950s

• "The Truth About Cushgar" (November 1950, Astounding)
• "The Second Night of Summer" (December 1950, Galaxy Science Fiction)
• "Space Fear" (March 1951, Astounding)
• "Captives of the Thieve Star" (May 1951, Planet Stories)
• "The End of the Line" (July 1951, Astounding)
• "The Altruist" (September 1952, Galaxy Science Fiction)
• "We Don't Want Any Trouble" (June 1953, Galaxy Science Fiction)
• "Caretaker" (July 1953, Galaxy Science Fiction)
• "The Vampirate" (December 1953, Science-Fiction Plus)
• "Grandpa" (February 1955, Astounding)
• "The Ties of Earth" (November 1955, Galaxy' Part 1)(January 1956 Galaxy 'part 2)
• "Sour Note on Palayata" (November 1956, Astounding)
• "The Big Terrarium" (May 1957, Saturn)
• "Harvest Time" (September 1958, Astounding)
• "Summer Guests" (September 1959, Worlds of If)

1960s

• "The Illusionists" (retitle of Space Fear, 1960, Agent of Vega)
• "Gone Fishing" (May 1961, Analog Science Fiction and Science Fact)
• "Lion Loose..." (October 1961, Analog Science Fiction and Science Fact)
• "The Star Hyacinths" (December 1961, Amazing Stories)
• "An Incident on Route 12" (January 1962, Worlds of If)
• "Swift Completion" (March 1962, Alfred Hitchcock's Mystery Magazine)
• "Novice" (June 1962, Analog Science Fiction and Science Fact)
• "The Other Likeness" (July 1962, Analog Science Fiction and Science Fact)
• "Rogue Psi" (August 1962, Amazing Stories)
• "Watch the Sky" (August 1962, Analog Science Fiction and Science Fact)
• "These Are the Arts" (September 1962, The Magazine of Fantasy & Science Fiction)
• "The Winds of Time" (September 1962, Analog Science Fiction and Science Fact)
• "Left Hand, Right Hand" (November 1962, Amazing Stories)
• "Beacon to Elsewhere" (April 1963, Amazing Stories)
• "Oneness" (May 1963, Analog Science Fiction and Science Fact)
• "Ham Sandwich" (June 1963, Analog Science Fiction and Science Fact)
• "Undercurrents" (May 1964, Analog Science Fiction and Science Fact)
• "Clean Slate" (September 1964, Amazing Stories)
• "The Machmen" (September 1964, Analog Science Fiction and Science Fact)
• "A Nice Day for Screaming" (January 1965, Analog Science Fiction and Science Fact)
• "Planet of Forgetting" (February 1965, Galaxy Science Fiction)
• "The Pork Chop Tree" (February 1965, Analog Science Fiction and Science Fact)

• "Balanced Ecology" (March 1965, Analog Science Fiction and Science Fact)
• "Goblin Night" (April 1965, Analog Science Fiction and Science Fact)
• "Trouble Tide" (May 1965, Analog Science Fiction and Science Fact)
• "Research Alpha" (July 1965, World of If)
• "Sleep No More" (August 1965, Analog Science Fiction and Science Fact)
• "Space Master" (1965, New Writings in SF 3)
• "The Tangled Web" (retitle of The Star Hyacinths, 1965, A Nice Day for Screaming and Other Tales of the Hub)
• "Faddist" (January 1966, Bizarre Mystery Magazine)
• "The Searcher" (February 1966, Analog Science Fiction and Science Fact)
• "The Witches of Karres" (Novel, 1966)
• "The Tuvela" (September 1968, Analog Science Fiction and Science Fact)
• "Where the Time Went" (November 1968, Worlds of If)
• "The Custodians" (December 1968, Analog Science Fiction and Science Fact)
• "Just Curious" (December 1968, Alfred Hitchcock's Mystery Magazine)
• "Attitudes" (February 1969, The Magazine of Fantasy & Science Fiction)
• "Would You?" (December 1969, Fantastic)

1970s

• "Resident Witch" (May 1970, Analog Science Fiction and Science Fact)
• "Compulsion" (June 1970, Analog Science Fiction and Science Fact)
• "The Telzey Toy" (January 1971, Analog Science Fiction and Science Fact)
• "Company Planet" (May 1971, Analog Science Fiction and Science Fact)
• "Glory Day" (June 1971, Analog Science Fiction and Science Fact)
• "Poltergeist" (July 1971, Analog Science Fiction and Science Fact)
• "The Lion Game" (August 1971, Analog Science Fiction and Science Fact)
• "Child of the Gods" (March 1972, Analog Science Fiction and Science Fact)
• "The Symbiotes" (September 1972, Analog Science Fiction and Science Fact)
• "Crime Buff" (August 1973, Alfred Hitchcock's Mystery Magazine)
• "One Step Ahead" (April 1974, Worlds of If)
• "Aura of Immortality" (June 1974, Worlds of If)

2000s

• "Blood of Nalakia" (retitle of The Vampirate, 2000, Telzey Amberdon)
• "Ti's Toys" (retitle of The Telzey Toy, 2000, T'nT: Telzey & Trigger)
• "Forget It" (retitle of Planet of Forgetting, January 2001, Trigger & Friends)

• Agent of Vega
• Includes: Agent of Vega; The Illusionists; The Truth About Cushgar; The Second Night of Summer
• Hardcover, 1960, Gnome Press, listed on cover as "James A. Schmitz"
• Paperback, June 1962, Permabook
• Paperback, June 1964, Mayflower
• Paperback, 1973, Tempo Books/Grosset & Dunlap
• Paperback, 1982, Ace Books
• Agent of Vega & Other Stories
• Includes: Agent of Vega; The Illusionists; The Second Night of Summer; The Truth About Cushgar; The Custodians; Gone Fishing; The Beacon to Elsewhere; The End of the Line; Watch the Sky; Greenface; Rogue Psi.
• Paperback, November 2001, Baen Books
• The Best of James H. Schmitz
• Includes: Grandpa; Lion Loose...; Just Curious; The Second Night of Summer; Novice; Balanced Ecology; The Custodians; Sour Note on Palayata; Goblin Night.
• Hardcover, 1991, NESFA Press
• Eternal Frontier
• Includes: The Big Terrarium; Summer Guests; Captives of the Thieve-Star; Caretaker; One Step Ahead; Left Hand, Right Hand; The Ties of Earth; Spacemaster; The Altruist; Oneness; We Don't Want Any Trouble; Just Curious; Would You?; These Are the Arts; Clean Slate; Crime Buff; Ham Sandwich; Where the Time Went; An Incident on Route 12; Swift Completion; Faddist; The Eternal Frontiers.
• Paperback, September 2002, Baen Books
• The Hub: Dangerous Territory
• Includes: The Searcher; Grandpa; Balanced Ecology; A Nice Day for Screaming; The Winds of Time; The Machmen; The Other Likeness; Attitudes; Trouble Tide; The Demon Breed.
• Paperback, 2001, Baen Books
• The Lion Game
• Includes: Goblin Night; Sleep No More; The Lion Game.
• Paperback, 1973, DAW Books
• Hardcover, 1976, Sidgwick & Jackson
• Paperback, 1979, Hamlyn
• Paperback, 1982, Ace Books

• A Nice Day for Screaming and Other Tales of the Hub
• Includes: Balanced Ecology; A Nice Day for Screaming; The Tangled Web; The Machmen; The Other Likeness; The Winds of Time.
• Hardcover, 1965, Chilton
• A Pride of Monsters
• Includes: Lion Loose; The Searcher; The Winds of Time; The Pork Chop Tree; Greenface.
• Hardcover, 1970, MacMillan
• Paperback, 1973, Collier
• Telzey Amberdon
• Includes: Novice; Undercurrents; Poltergeist; Goblin Night; Sleep No More; The Lion Game; Blood of Nalakia; The Star Hyacinths.
• Paperback, April 2000, Baen Books
• The Telzey Toy
• Includes: The Telzey Toy; Resident Witch; Compulsion; Company Planet.
• Paperback, 1973, DAW Books
• Hardcover, 1976, Sidgwick & Jackson
• Hardcover, 1978, Sidgwick & Jackson, in a 3-in-1 collection titled Special 24
• Paperback, 1982, Ace Books
• Paperback, 1983, Hamlyn
• T'nT: Telzey & Trigger
• Includes: Company Planet; Resident Witch; Compulsion (includes The Pork Chop Tree as prolog); Glory Day; Child of the Gods; Ti's Toys; Symbiotes.
• Paperback, July 2000, Baen Books
• Trigger & Friends
• Includes: Lion Loose; Harvest Time; Forget It; Aura of Immortality; Legacy; A Sour Note on Palayata.
• Paperback, January 2001, Baen Books

• The Demon Breed (retitle of The Tuvela)
• Hardcover, 1968, Ace Books/SFBC
• Paperback, 1968, Ace Books
• Hardcover, 1969, MacDonald
• Hardcover, 1971, UK SFBC/Newton Abbot
• Paperback, 1974, Orbit Books
• Paperback, 1979, Ace Books/SFBC
• Paperback, 1981, Ace Books
• The Eternal Frontiers
• Hardcover, 1973, G. P. Putnam's Sons
• Paperback, 1973, Berkley Books
• Hardcover, 1964, Sidgwick & Jackson
• Hardcover, 1976, Sidgwick & Jackson (in a 3-in-1 compilation titled Special 18)
• Legacy (retitle of A Tale of Two Clocks, paperback, 1979, Ace Books)
• A Tale of Two Clocks
• Hardcover, 1962, Torquil Books/SFBC
• Paperback, 1965, Belmont
• The Universe Against Her (novelized version of Novice and Undercurrents.)
• Paperback, 1964, Ace Books
• Paperback, 1979, Ace Books
• Hardcover, 1981, Gregg Press
• The Witches of Karres
• Hardcover, 1966, Chilton
• Paperback, 1966 (twice), Ace Books
• Paperback, 1977, Ace Books
• Paperback, 1981, Ace Books
• Paperback, 1988, Gollancz
• Hardcover, 1992, Baen Books/SFBC

• The Wizard of Karres, by Mercedes Lackey, Eric Flint and Dave Freer

:This is a sequel of The Witches of Karres which follows the continuing adventures of Captain Pausert, Goth, and the Leewit.

• James H. Schmitz obituary
• The James H. Schmitz Encyclopedia
• SciFan database
• Major characters, with illustrations
• James H. Schmitz's online fiction at Free Speculative Fiction Online
• Schmitz, James H., 1911-1981 at Project Gutenberg