1900-1950

1900-1909
The Amalgamated Brotherhood of Spooks(1900) by J. K. Bangs
The Angels of Venus (1900) by George Griffith
The Deadly Poppies (1900) by L. Frank Baum
The Fighting Trees (1900) by L. Frank Baum
Kalidahs (1900) by L. Frank Baum
The Lunarians (1900) by George Griffith
The Martians (1900) by George Griffith
The Octopus Snake (1900) by George Griffith
The Sea Monsters of Saturn (1900) by George Griffith
The Moon-Calf (1901) by H. G. Wells
The Selenites (1901) by H. G. Wells
The Hound of the Baskervilles (1902) by A. Conan Doyle
Killer Spiders (1903) by H. G. Wells
Ash-tree Spider (1904) by M. R. James
Giant Animals (1904) by H. G. Wells
Giant Humans (1904) by H. G. Wells
The Beast in the Cave (1905) by H. P. Lovecraft
Intelligent Ants (1905) by H. G. Wells
The Strange Orchid (1905) by H. G. Wells
A Tropical Horror (1905) by William Hope Hodgson
The Nightmare Pig (1906) by Edward Lucas White
The Evil Trees (1907) by William Hope Hodgson
Ghouls or The Free-Folk (1907) by Edward Lucas White
Giant Squid (1907) by Charles G. D. Roberts
Infectious Mold (1907) by William Hope Hodgson
The Water-Tank Snake (1907) by William Hope Hodgson
The Weed Men (1907) by William Hope Hodgson
The Willows (1907) by Algernon Blackwood
The Dinosaur of the "Valley of Death"(1908) by Henry Francis
The Ectoplasmic Werewolf (1908) by Algernon Blackwood
The Spider Guardian (1908) by Lord Dunsany
The Swinefolk (1908) by William Hope Hodgson
Tharagavverug the Dragon-Crocodile (1908) by Lord Dunsany
Thok & Lunk (1908) by Lord Dunsany
Were-Cats (1908) by Algernon Blackwood
Wong Bongerok (1908) by Lord Dunsany
The Ghost Pirates (1909) by William Hope Hodgson
The Snout (1909) by Edward Lucas White

1910-1919
The Horse of the Invisible (1910) by William Hope Hodgson
The Air Serpent (1911) by Will A. Page
The Calot (1912) by Edgar Rice Burroughs
The Green Man of Mars (1912) by Edgar Rice Burroughs
The Kirk Spook (1912) by E. G. Swain
The Thoat (1912) by Edgar Rice Burroughs
The White Apes of Mars (1912) by Edgar Rice Burroughs
The Apt (1913) by Edgar Rice Burroughs
The Banth (1913) by Edgar Rice Burroughs
The Hog (1913) by William Hope Hodgson
The Horror of the Heights (1913) by A. Conan Doyle
The Monster-Men (1913) by Edgar Rice Burroughs
The Plant-Men (1913) by Edgar Rice Burroughs
The Saatii Manifestations (1913) by William Hope Hodgson
The Thing in the Weeds (1913) by William Hope Hodgson
The Angels of Mons (1914) by Arthur Machen
Azdyryth (1914) by Edgar Rice Burroughs
Aztarag (1914) by Edgar Rice Burroughs
Dyryth (1914) by Edgar Rice Burroughs
Hyaenodon (1914) by Edgar Rice Burroughs
Hydrophidian (1914) by Edgar Rice Burroughs
Lidi (1914) by Edgar Rice Burroughs
Mahars (1914) by Egar Rice Burroughs
Monkey Men (1914) by Edgar Rice Burroughs
Quok (1914) by L. Frank Baum
Sadok (1914) by Edgar Rice Burroughs
Sagoths (1914) by Edgar Rice Burroughs
Sithic (1914) by Edgar Rice Burroughs
Tandor (1914) by Edgar Rice Burroughs
Tandoraz(1914) by Edgar Rice Burroughs
Tarag (1914) by Edgar Rice Burroughs
Thag (1914) by Edgar Rice Burroughs
Thipdars (1914) by Edgar Rice Burroughs
Clarimonda the Spider-Woman (1915) by Hanns Heinz Ewers
Ryth (1915) by Edgar Rice Burroughs
The Great Beast of Kafue (1917) by Richard Dehan
Wieroos (1918) by Edgar Rice Burroughs
The Claw (1917) by A. Merritt
Ghost Crocodiles (1917) by L. G. Moberly
Giant Sea Worm (1917) by H. de Vere Stacpole
Demons of the Sea (1919) by William Hope Hodgson
The Sirens (1919) by Edward Lucas White
Tlapallan Ape (1919) by Francis Stevens
The Beast With Five Fingers (1919) by W. F. Harvey
Tlapallan Leech (1919) by Francis Stevens
Tlapallan White Dogs (1919) by Francis Stevens

1920-1929
Possessed Wolf (1920) by Algernon Blackwood
The Finless Death (1921) by R. E. Vernede
Gyor or Gryf (1921) by Edgar Rice Burroughs
The Horror of Horton House (1921) by W. J. Wintle
The Spectre Spiders (1921) by W. J. Wintle
The Thing That Smelt (1921) by Christopher Blayre
The Thing of Polearn(1922) by E. F. Benson
The Creeping Man (1923) by Arthur Conan Doyle
The Fungus Forest (1923) by Philip M. Fisher
The Fungus Men (1923) by Philip M. Fisher
The Kalkars (1923) by Edgar Rice Burroughs
Lunar Frogs (1923) by Edgar Rice Burroughs
Lunar Fungus (1923) by Edgar Rice Burroughs
The Rympth (1923) by Edgar Rice Burroughs
The Tor-ho (1923) by Edgar Rice Burroughs
The Va-Gas (1923) by Edgar Rice Burroughs
Men Who Walk Upon the Air (1925) by Frank Belknap Long
The Neanderthal (1925) by Robert E. Howard
The Unnameable (1925) by H. P. Lovecraft
Wolfshead (1925) by Robert E. Howard
The Monster-God of Mamurth(1926) by Edmond Hamilton
The Swamp Leeches (1926) by Will Smith & R. J. Robbins
The Blue Men (1927) by Robert W. Sneddon
The Colour Out of Space (1927) by H. P. Lovecraft
The Ancient Horror (1928) by Hal Grant
Artificially Preserved Humans (1928) by H. P. Lovecraft
The Dream Snake (1928) by Robert E. Howard
Killer Gorilla (1928) by Robert E. Howard
Reanimated Corpse (1928) by Robert E. Howard
Were-Hyena (1928) by Robert E. Howard
The Codon (1929) by Edgar Rice Burroughs
Dyrodor (1929) by Edgar Rice Burroughs
Gorobor (1929) by Edgar Rice Burroughs
Killer Skeleton (1929) by Robert E. Howard
The Serpent Men (1929) by Robert E. Howard
The Torkerton Ghost (1929) by Robert E. Howard
The Vampires of the Desert (1929) by A. Hyatt Verrill
The Worm (1929) by David H. Keller

1930-1939
The Bagheeta (1930) by Val Lewton
Python (1930) by Robert E. Howard
The Vampires of the Hills (1930) by Robert E. Howard
The Aihais or Martians (1931) by Clark Ashton Smith
The Children Of The Night (1931) by Robert E. Howard
The Evolved Man (1931) by Edmond Hamilton
Fleur de Mal (1931) by David H. Keller
The Formless Spawn of Tsathoggua (1931) by Clark Ashton Smith
The Giant Bird (1931) by Robert E. Howard
Giants of the Singing Flame (1931) by Clark Ashton Smith
Gol-Goroth (1931) by Robert E. Howard
The Kahumas (1931) by Capt. S. P. Meek
The Kauans (1931) by Capt. S. P. Meek
The Martians (1931) by Clark Ashton Smith
The Mausoleum Monster (1931) by Robert E. Howard
The Mena (1931) by Capt. S. P. Meek
Reanimated Body Parts (1931) by Clark Ashton Smith
The Super-Plant of Mars (1931) by Clark Ashton Smith
The Tetrahedrons of Mercury (1931) by P. Schuyler Miller
The Toad Creature (1931) by Robert E. Howard
Tsathoggua (1931) by Clark Ashton Smith
The Venusians (1931) by Clark Ashton Smith
The Zoromes of Zor (1931) by Neil R. Jones
The Akaanas (1932) by Robert E. Howard
The Basto (1932) by Edgar Rice Burroughs
The Dark Savages (1932) by Charles R. Tanner
The Demon Leeches (1932) by Clark Ashton Smith
Dog Demon (1932) by Robert E. Howard
The Dogs of Doctor Dwann (1932) by Edmond Hamilton
The Esthetts (1932) by Charles R. Tanner
The Klangan (1932) by Edgar Rice Burroughs
The Kloonobargan (1932) by Edgar Rice Burroughs
The Shelks (1932) by Charles R. Tanner
The Targo (1932) by Edgar Rice Burroughs
The Temple God (1932) by Robert E. Howard
The Thing in the Cellar (1932) by David H. Keller
The Tongzan or Claw-cat of Venus (1932) by Edgar Rice Burroughs
The Vampire of the Mound (1932) by Robert E. Howard
The Yorhis (1932) by Clark Ashton Smith
The Beast of Averoigne (1933) by Clark Ashton Smith
The Black Ones of the Pool (1933) by Robert E. Howard
Monsters of the Scarlet Citadel (1933) by Robert E. Howard
The Devil-Flower (1933) by Robert E. Howard
The Flying Creature (1933) by Robert E. Howard
The Gantor (1933) by Edgar Rice Burroughs
Invisible Space Monster(1933) by John Benyon Harris
The Kazars (1933) by Edgar Rice Burroughs
The Killer Doll (1933) by Algernon Blackwood
The Kormorians (1933) by Edgar Rice Burroughs
The Mistal (1933) by Edgar Rice Burroughs
The Mogs (1933) by Charles R. Tanner
Octopoid Creature (1933) by Robert E. Howard
Odin Demon(1933) by Robert E. Howard
The Pygmies of Ul (1933) by Edgar Rice Burroughs
Satha, The Great Snake (1933) by Robert E. Howard
Shambleau (1933) by C. L. Moore
The Tharban (1933) by Edgar Rice Burroughs
Thog, The Slithering Shadow (1933) by Robert E. Howard
The Tower Spider (1933) by Robert E. Howard
Tsotha-lanti(1933) by Robert E. Howard
Venusian Snakes (1933) by Edgar Rice Burroughs
The Vere (1933) by Edgar Rice Burroughs
The Well Ghost (1933) by Robert E. Howard
Yogah of Yag (1933) by Robert E. Howard
The Zangan (1933) by Edgar Rice Burroughs
The Zorat (1933) by Edgar Rice Burroughs
Monstrosities From the Abyss(1934) by Robert E. Howard
The Alender (1934) by C. L. Moore
The Biopods (1934) by Stanley G. Weinbaum
The Black Beasts (1934) by C. L. Moore
The Black Guardian (1934) by C. L. Moore
The Black Seers of Yimsha (1934) by Robert E. Howard
The Black Statues(1934) by Robert E. Howard
Blood-sucking Vines(1934) by Robert E. Howard
The Bricklayers (1934) by Stanley G. Weinbaum
The Colossus of Ylourgne (1934) by Clark Ashton Smith
The Dream-Beast (1934) by Stanley G. Weinbaum
The Elemental of the Red Wilderness (1934) by Nictzin Dyalhis
The Flying Stones (1934) by Nictzin Dyalhis
Giant Snake (2)(1934) by Robert E. Howard
The Grey Man-Ape (1934) by Robert E. Howard
The Mephitic Imps of Nathaire (1934) by Clark Ashton Smith
Frost Giants (1934) by Robert E. Howard
The Haunter of the Dark (1934) by Robert E. Howard
Khosatral Khel, The Devil In Iron(1934) by Robert E. Howard
The Martians (1934) by Stanley G. Weinbaum
Martian Life Forms(1934) by Stanley G. Weinbaum
The Martian Rat (1934) by Stanley G. Weinbaum
The Master of Yimsha (1933) by Robert E. Howard
Mordiggian (1934) by Clark Ashton Smith
The Piper of the Worm (1934) by Robert E. Howard
The Priests of Mordiggian (1934) by Clark Ashton Smith
The Princess of Hell (1934) by Nictzin Dyalhis
The Riding Birds (1934) by Nictzin Dyalhis
Rodar-Elemental Hybrid (1934) by Nictzin Dyalhis
Saber-Tooth Tiger (1934) by Robert E. Howard
The Servants of Malygris (1934) by Clark Ashton Smith
Thak, The Man-Ape(1934) by Robert E. Howard
The Three (1934) by C. L. Moore
Three Eyes (1934) by Stanley G. Weinbaum
The Vulmin Dwarves (1934) by Nictzin Dyalhis
The White Guardian (1934) by C. L. Moore
Winged Ape (1934) by Robert E. Howard
The Winged Man (1934) by Robert E. Howard
The Worm (1934) by Robert E. Howard
The Adaptive Ultimate (1935) by Stanley G. Weinbaum
Aforgomon (1935) by Clark Ashton Smith
Arrow Vines (1935) by Stanley G. Weinbaum
Bleeding Grass (1935) by Stanley G. Weinbaum
The Centaurians (1935) by Murray Leinster
The Chimeras of Vulthoom (1935) by Clark Ashton Smith
The Doughpot(1935) by Stanley G. Weinbaum
The Dusters (1935) by Stanley G. Weinbaum
The Friendly Tree(1935) by Stanley G. Weinbaum
The Giant Aihais or Martians (1935) by Clark Ashton Smith
The Forest Demon (1935) by Robert E. Howard
The Ghost Snake (1935) by Robert E. Howard
Io Life Forms (1935) by Stanley G. Weinbaum
The Jack Ketch Tree(1935) by Stanley G. Weinbaum
The Knife-Kite (1935) by Stanley G. Weinbaum
The Loonies (1935) by Stanley G. Weinbaum
The Lotus-Eaters (1935) by Stanley G. Weinbaum
Parasitic Mold (1935) by Stanley G. Weinbaum
The Parcat (1935) by Stanley G. Weinbaum
The Pharisee Tree (1935) by Stanley G. Weinbaum
The Slinkers (1935) by Stanley G. Weinbaum
Stinging Palms (1935) by Stanley G. Weinbaum
Stone Bark Trees (1935) by Stanley G. Weinbaum
Threadworms (1935) by Stanley G. Weinbaum
Toothers (1935) by Stanley G. Weinbaum
The Triops noctivivans(1935) by Stanley G. Weinbaum
Troll (1935) by T. H. White
The Uniped (1935) by Stanley G. Weinbaum
Venusian Life (1935) by Stanley G. Weinbaum
The Venusians (1935) by Stanley G. Weinbaum
Vulthoom (1935) by Clark Ashton Smith
Warm-Blooded Plants (1935) by Stanley G. Weinbaum
Xexanoth (1935) by Clark Ashton Smith
The Arctarians (1936) by Edmond Hamilton
The Black Mat (1936) by Stanley G. Weinbaum
The Bladder Bird (1936) by Stanley G. Weinbaum
The Crawler (1936) by Robert E. Howard
The Crawling Horror (1936) by Thorp McClusky
European Life(1936) by Stanley G. Weinbaum
The Forest Dragon (1936) by Robert E. Howard
Future Humans (1936) by Stanley G. Weinbaum
The Kelpie (1936) by Manly Wade Wellman
Martians (1936) by John W. Campbell
Mutant Cats (1936) by Stanley G. Weinbaum
Mutant Dogs (1936) by Stanley G. Weinbaum
The Newts (1936) by Karl Capek
The Song-Bushes(1936) by Stanley G. Weinbaum
The Thushol (1936) by John W. Campbell
Venusians(1936) by H. P. Lovecraft and Kenneth J. Sterling
The Demon of Xuthltan (1936) by Robert E. Howard
The Brain of Venus (1937) by John Russell Hearn
Giant Eagles (1937) by J. R. R. Tolkien
Goblins (1937) by J. R. R. Tolkien
Gollum (1937) by J. R. R. Tolkien
The Ice Entity (1937) by Jack Williamson
The Lamia (1937) by Clark Ashton Smith
Large Spiders (1937) by J. R. R. Tolkien
Malik Tous (1937) by Robert E. Howard
The Mirror-Creature (1937) by Donald Wandrei
The Murri (1937) by Arthur K. Barnes
The Rotifer (1937) by Arthur K. Barnes
The Shovel-Mouth (1937) by Arthur K. Barnes
Beorn the Were-Bear (1937) by J. R. R. Tolkien
The Sea-Creatures (1937) by Robert Bloch & Henry Kuttner
Smaug the Dragon (1937) by J. R. R. Tolkien
Stone-Giants (1937) by J. R. R. Tolkien
The Terrible Parchment (1937) by Manly Wade Wellman
Trolls (1937) by J. R. R. Tolkien
The Venusians (2) (1937) by Arthur K. Barnes
Wargs (1937) by J. R. R. Tolkien
The Whip (1937) by Arthur K. Barnes
Whiz-Bang Beetles (1937) by Arthur K. Barnes
Zarith (1937) by Edgar Rice Burroughs
The Atlas Crab (1938) by Arthur K. Barnes
Bacterial Colony (1938) by Arthur K. Barnes
The Blanket Bat (1938) by Stanley G. Weinbaum
The Bola Bird (1938) by Arthur K. Barnes
The Cacus (1938) by Arthur K. Barnes
The Cave Killer (1938) by Stanley G. Weinbaum
The Dyal (1938) by Edgar Rice Burroughs
The Cold Creature (1938) by Manly Wade Wellman
The Dualites (1938) by Arthur K. Barnes
The Duncerabbit (1938) by Arthur K. Barnes
The Electric Plant (1938) by Arthur K. Barnes
The Gamma Rorqual (1938) by Stanley G. Weinbaum
The Ganymedean Amoeba (1938) by Stanley G. Weinbaum
Ganymedean Life Forms (1938) by Stanley G. Weinbaum
The Hipp (1938) by Stanley G. Weinbaum
The Krull (1938) by John W. Campbell
The Land Leet (1938) by Stanley G. Weinbaum
The Nympus (1938) by Stanley G. Weinbaum
The Rotik (1938) by Edgar Rice Burroughs
The Sea Squirrel (1938) by Arthur K. Barnes
The Slingshot Tree (1938) by Arthur K. Barnes
The Thing (1938) by John W. Campbell
The Triplet (1938) by Arthur K. Barnes
The Zuvembie (1938) by Robert E. Howard
The Akki (1939) by Robert E. Howard
The Baboons of Almuric (1939) by Robert E. Howard
The Bears of Almuric (1939) by Robert E. Howard
Couerl, the Black Destroyer(1939) by A. E. Van Vogt
The Blind Ones (1939) by Robert E. Howard
The Boars of Almuric (1939) by Robert E. Howard
The Dogheads (1939) by Robert E. Howard
The Fire Monster (1939) by Robert E. Howard
The Guras of Almuric (1939) by Robert E. Howard
The Hormads (1939) by Edgar Rice Burroughs
The Giant Spider of Almuric(1939) by Robert E. Howard
The Hyenas of Almuric (1939) by Robert E. Howard
The Ixtl(1939) by A. E. Van Vogt
Johnny on the Spot (1939) by Frank Belknap Long
The Jumping Pigs of Almuric (1939) by Robert E. Howard
Legion of the Dead (1939) by Frederic Arnold Kummer Jr.
The Life Forms of Almuric (1939) by Robert E. Howard
Malagors (1939) by Edgar Rice Burroughs
Martians (1939) by Miles J. Breuer
The Moose of Almuric (1939) by Robert E. Howard
The Prometheans (1939) by Arthur K. Barnes
Saber-Toothed Leopard(1939) by Robert E. Howard
The Unicorn of Almuric (1939) by Robert E. Howard
The Yagas of Almuric (1939) by Robert E. Howard

1940-1950
The Alien Heat (1940) by Frank Belknap Long
Altered Human (1940) by Frank Belknap Long
The Arbok (1940) by Edgar Rice Burroughs
The Beast Kalorn(1940) by A. E. Van Vogt
The Dark Men (1940) by John Collier
Giant Rats of Mars (1940) by Edgar Rice Burroughs
Joog, the Giant of Mars (1940) by Edgar Rice Burroughs
The Horizontals (1940) by Frank Belknap Long
The Hyclops (1940) by Arthur K. Barnes
The Liquid Android (1940) by A. E. Van Vogt
The Martians(1940) by A. E. Van Vogt
Liline the Moon Girl (1940) by Edmond Hamilton
The Proteans (1940) by Arthur K. Barnes
The Sun Giants (1940) by Peter Horn
The Thunder Dragon (1940) by Arthur K. Barnes
The Titans (1940) by Henry Kuttner
Zarz (1940) by H. L. Gold
The Beast of Space (1941) by F. E. Hardart
The Brokols (1941) by Edgar Rice Burroughs
De-Evolved Humans (1941) by Manly Wade Wellman
The Electric Beasts of Mercury(1941) by Leigh Brackett
The Guypals (1941) by Edgar Rice Burroughs
Martians (1941) by Manly Wade Wellman
The Myposans (1941) by Edgar Rice Burroughs
Oscar (1941) by Cleve Cartmill
Unknown Lake Monster (1941) by John Collier
Sky Plants (1941) by Frank Belknap Long
Sky Slug (1941) by Frank Belknap Long
Snulbug(1941) by Anthony Boucher
The Spacehound (1941) by F. E. Hardart
The Timal (1941) by Edgar Rice Burroughs
The Vooyorgans (1941) by Edgar Rice Burroughs
The Alien Policeman (1942) by A. E. Van Vogt
The Cloud People of Amtor (1942) by Edgar Rice Burroughs
The devil-Blal(1942) by A. E. Van Vogt
The Giants of Diemos (1942) by Fredric Brown
Intelligent Mice (1942) by Fredric Brown
The Orthans (1942) by Basil Wells
The Prxlians (1942) by Fredric Brown
The Twonky (1942) by Lewis Padgett
The Winged Folk of the Black Planet (1942) by Henry Kuttner
The Zaldarst (1942) by Edgar Rice Burroughs
Anabis(1943) by A. E. Van Vogt
Anabis' Armored Beasts(1943) by A. E. Van Vogt
The Carcasillians (1943) by C. L. Moore & Henry Kuttner
The Dellian Supermen(1943) by A. E. Van Vogt
Flande (1943) by C. L. Moore & Henry Kuttner
The Light-Wearer(1943) by C. L. Moore & Henry Kuttner
The Prowlers (1943) by Frank Belknap Long
The Sceers (1943) by A. E. van Vogt
The Terasi (1943) by C. L. Moore & Henry Kuttner
The Androids of Bas (1944) by Leigh Brackett
Astellarians (1944) by Leigh Brackett
Bas the Immortal (1944) by Leigh Brackett
The Cloud People (1944) by Leigh Brackett
The Flower Hounds(1944) by Leigh Brackett
The Flower People (1944) by Leigh Brackett
The Giant Robot of Bas (1944) by Leigh Brackett
The Kalds (1944) by Leigh Brackett
Killdozer (1944) by Theodore Sturgeon
Plannies or Plant-Animals of Venus (1944) by Leigh Brackett
Pocopoco the Little Green Man(1944) by Kenneth Robeson
The Roller (1944) by Fredric Brown
The Swamp-Dragon or Leshen (1944) by Leigh Brackett
The Blunderbird (1945) by Arthur K. Barnes
The Compass-Bug (1945) by Arthur K. Barnes
The Lariat-Vine (1945) by Arthur K. Barnes
Familiars (1946) by Manly Wade Wellman
Khongbassi, the Frogfather (1946) by Manly Wade Wellman
The Machine (1946) by Allison V. Harding
Titan (1946) by Stanton A. Coblentz
The Damp Man (1947) by Allison V. Harding
The Angont (1948) by Jamieson Woods
The God Asti (1948) by Andre Norton
De-Evolved Humans or the Beasts of Shanga (1948) by Leigh Brackett
The Blackbirds (1948) by Frank Belknap Long
The Blind Mice (1948) by Frank Belknap Long
The Blue Bowmen (1948) by Frank Belknap Long
The Crooked Man (1948) by Frank Belknap Long
The Ganae(1948) by A. E. Van Vogt
Guardian of the Chasms (1948) by Andre Norton
Guardians of the Moonfire (1948) by Leigh Brackett
The Humpties (1948) by Frank Belknap Long
The King-Clock (1948) by Frank Belknap Long
The King's Horses (1948) by Frank Belknap Long
The Lavender Vine of Death (1948) by Don Wilcox
Lur (1948) by Andre Norton
The Martian Essense (1948) by Robert Bloch
Moonfire Gods (1948) by Leigh Brackett
Life Forms of the Mother Goose Universe (1948) by Frank Belknap Long
The Prime Movers (1948) by Frank Belknap Long
The Nahali (1948) by Leigh Brackett
Swamp Dragons (1948) by Leigh Brackett
The Worm of the Abyss (1948) by Richard S. Shaver
The Alien Enemy (1949) by A. E. Van Vogt
Chrysophylax the Dragon(1949) by J. R. R. Tolkien
The Gardinel (1949) by Manly Wade Wellman
The Underbody (1949) by Allison V. Harding
The Alpha Centaurans (1950) by Frank Belknap Long
The Gnurrs (1950) by Reginald Bretnor
Jadis, the White Witch (1950) by C. S. Lewis
The Kanama(1950) by Damon Knight
The Manshonyaggers (1950) by Cordwainer Smith
Martians(1950) by A. E. Van Vogt
The Shonokins or Pineys (1950) by Manly Wade Wellman
The Riim (1950) by A. E. Van Vogt
The Tenants (1950) by Roger Dee