An invisible alien can be seen by cats.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1953 |
|
Fantastic Universe, August-September 1953 | King-Size Publications, Inc. | MAGAZINE | 129 |
| October 1971 |
|
The Many Worlds of Science Fiction | E. P. Dutton | Anthology | 38 |
| February 1972 |
|
The Many Worlds of Science Fiction | Dutton / SFBC | Anthology | 36 |
| 1973 |
|
Zoo 2000 | Seabury Press | Anthology | 105 |
| 1973 |
|
Zoo 2000 | Seabury Press | Anthology | 105 |
| August 1974 |
|
The Many Worlds of Andre Norton | Chilton | Collection | 77 |
| August 1974 | The Many Worlds of Andre Norton | Nelson (Canada) | Collection | 77 | |
| February 1975 |
|
Zoo 2000 | Victor Gollancz | Anthology | 105 |
| October 1975 |
|
The Book of Andre Norton | DAW Books | Collection | 87 |
| October 1975 |
|
The Book of Andre Norton | DAW Books / New American Library of Canada | Collection | 87 |
| 1976 |
|
Zoo 2000 | Macmillan UK | Anthology | 64 |
| 1977 |
|
Zoo 2000 | Macmillan UK | Anthology | 64 |
| November 1977 |
|
The Book of Andre Norton | DAW Books | Collection | 87 |
| July 1981 | The Book of Andre Norton | DAW Books | Collection | 87 | |
| August 1982 |
|
Science Fiction A to Z: A Dictionary of the Great S.F. Themes | Houghton Mifflin | Anthology | 192 |
| 1986 |
|
De beste science fiction verhalen | Hema / Loeb | Anthology | 442 |
| 1986 |
|
Top SF 1 | Bruna | Anthology | 229 |
| June 1986 |
|
101 Science Fiction Stories | Avenel Books | Anthology | 3 |
| September 1987 |
|
The Book of Andre Norton | DAW Books | Collection | 87 |
| September 1989 |
|
Wizards' Worlds | Tor | Collection | 464 |
| December 1989 |
|
Wizards' Worlds | The Easton Press | Collection | 464 |
| 1990 |
|
Top Science Fiction: Dritter Teil | Heyne | Anthology | 252 |
| July 1990 |
|
Wizards' Worlds | Tor | Collection | 464 |
| 1992 |
|
The Giant Book of Science Fiction Stories | Magpie Books | Anthology | 3 |
| November 1994 |
|
New Eves: Science Fiction About the Extraordinary Women of Today and Tomorrow | Longmeadow Press | Anthology | 119 |
| September 1996 |
|
100 Astounding Little Alien Stories | Barnes & Noble Books | Anthology | 1 |
| April 2000 |
|
The SFWA Grand Masters: Volume Two | Tor | Anthology | 58 |
| April 2001 |
|
The SFWA Grand Masters, Volume 2 | Tor | Anthology | |
| June 2002 |
|
Urania #1442 | Mondadori | MAGAZINE | 59 |
| July 2003 |
|
Womanthology | Sense of Wonder Press | Anthology | 1 |
| July 2003 |
|
Womanthology | Sense of Wonder Press | Anthology | 1 |
| June 2009 | All Cats Are Gray | Project Gutenberg | Chapbook | 129 | |
| June 2009 |
|
Short Science Fiction Collection 19 | LibriVox | Anthology | |1 |
| March 2011 |
|
Of Fur and Fire: Tales of Cats & Dragons | DreamZion Publishing | Anthology | 1 |
| June 2011 |
|
Sense of Wonder: A Century of Science Fiction | Wildside Press | Anthology | |89 |
| December 2011 |
|
Sense of Wonder: A Century of Science Fiction | Wildside Press | Anthology | |89 |
| March 2012 |
|
The Andre Norton Megapack: 15 Classic Novels and Short Stories by a Grand Master of Science Fiction! | Wildside Press | Omnibus | 75 |
| December 2012 |
|
All Cats Are Gray | A Norton Book | Chapbook | |
| March 2013 |
|
Anthology of Sci-Fi: The Pulp Writers: Volume 1 | Spastic Cat Press | Anthology | |
| July 2013 |
|
Short Science Fiction Collection 48 | LibriVox | Anthology | |1 |
| July 2013 |
|
The Cat Megapack: Frisky Feline Tales, Old and New | Borgo Press / Wildside Press | Anthology | 13 |
| November 2013 |
|
Hvad Fluffy vidste: 16 science fiction katte | Science Fiction Cirklen | Anthology | 125 |
| January 2014 |
|
Tales from High Hallack: Book 1 | Premier Digital Publishing | Collection | |11 |
| January 2014 |
|
Tales from High Hallack, Volume 1 | Premier Digital Publishing | Collection | 109 |
| March 2014 |
|
All Cats Are Gray | Start Publishing | Chapbook | |
| July 2014 |
|
Tales from High Hallack, Volume 1 | Open Road Integrated Media | Collection | |10 |
| July 2014 |
|
Wizard's Worlds | Open Road Integrated Media | Collection | |464 |
| July 2014 |
|
Wizard's Worlds | Open Road Integrated Media | Collection | |464 |
| April 2015 | 모든 고양이는 회색이다 | 위즈덤커넥트 | Chapbook | ||
| November 2015 |
|
Andre Norton Super Pack | Positronic Publishing | Omnibus | |14 |
| November 2015 |
|
Andre Norton Super Pack | Positronic Publishing | Omnibus | |14 |
| February 2016 |
|
Andre Norton Super Pack | Start Publishing | Omnibus | |14 |
| February 2016 |
|
Fantastic Stories Presents: Science Fiction Super Pack #2 | Positronic Publishing | Anthology | |2 |
| April 2016 |
|
Fantastic Stories Presents: Science Fiction Super Pack #2 | Positronic Publishing | Anthology | |2 |
| August 2016 |
|
Fantastic Stories Presents the Fantastic Universe Super Pack #2 | Positronic Publishing | Anthology | 216 |
| September 2016 |
|
Women of Futures Past: Classic Stories | Baen Books | Anthology | 177 |
| September 2016 |
|
Women of Futures Past: Classic Stories | Baen Books | Anthology | |9 |
| September 2016 |
|
Fantastic Stories Presents the Fantastic Universe Super Pack #2 | Positronic Publishing | Anthology | |25 |
| 2017 |
|
Tales from High Hallack, Volume One | Open Road Integrated Media | Collection | |10 |
| August 2017 |
|
猫は宇宙で丸くなる 猫SF傑作選 | 竹書房 | Anthology | |
| April 2018 |
|
Fantastic Stories Presents the Fantastic Universe Super Pack #2 | Positronic Publishing | Anthology | 216 |
| April 2018 |
|
Fantastic Stories Presents: Science Fiction Super Pack #2 | Positronic Publishing | Anthology | |2 |
| October 2018 |
|
The Future Is Female!: 25 Classic Science Fiction Stories by Women, From Pulp Pioneers to Ursula K. Le Guin | The Library of America | Anthology | 227 |
| October 2018 |
|
The Future Is Female!: 25 Classic Science Fiction Stories by Women, From Pulp Pioneers to Ursula K. Le Guin | The Library of America | Anthology | |227 |
| February 2019 |
|
All Cats Are Gray | Reading Essentials | Chapbook | |
| October 2019 |
|
Black Infinity, Fall 2019 | Rocket Science Books | MAGAZINE | 135 |
| October 2020 |
|
Classic Science Fiction Anthology, #1 | Coda Publishing | MAGAZINE | 45 |
| October 2020 |
|
A Cat of Space and Time | WMG Publishing | Anthology | |3 |
| October 2020 |
|
A Cat of Space and Time | WMG Publishing | Anthology | |3 |
| September 2021 |
|
Haven Speculative, September-October 2021 | Haven Speculative | MAGAZINE | |3 |
| January 2022 |
|
The Andre Norton Megapack: 15 Classic Novels and Short Stories by a Grand Master of Science Fiction! | Wildside Press | Omnibus | |
| 2023 |
|
Forbidden Futures, #10 | Oddness | MAGAZINE | |3 |
| June 2025 | Utopia Science Fiction, June 2025 | Utopia Science Fiction | MAGAZINE | 51 |