Oz books
- The Royal Book of Oz (1921)
- Kabumpo in Oz (1922)
- The Cowardly Lion of Oz (1923)
- Grampa in Oz (1924)
- The Lost King of Oz (1925)
- The Hungry Tiger of Oz (1926)
- The Gnome King of Oz (1927)
- The Giant Horse of Oz (1928)
- Jack Pumpkinhead of Oz (1929)
- The Yellow Knight of Oz (1930)
- Pirates in Oz (1931)
- The Purple Prince of Oz (1932)
- Ojo in Oz (1933)
- Speedy in Oz (1934)
- The Wishing Horse of Oz (1935)
- Captain Salt in Oz (1936)
- Handy Mandy in Oz (1937)
- The Silver Princess in Oz (1938)
- Ozoplaning with the Wizard of Oz (1939)
- Yankee in Oz (1972)
- The Enchanted Island of Oz (1976)
Additional Oz stories and poems
- The Sawhorse (1915) (poem)
- Famous Jacks — One Who Is Some Pumpkin (1918) (poem)
- Christmas with the Prince (1919)
- A Story About Dragons (1920)
- The Laughing King, a Page Out of Pumperdink History (1920) (poem)
- A Day in Oz, or Scraps in Oz (1924) (play)
- If, An Oz Verse to Be Used for Advertising Purposes (1927) (poem)
- The Enchanted Tree of Oz (1927)
- Kabumpo, the Elegant Elephant of Oz (1958) (poem)
- Breakfast, the Bananny Goat of Oz (1959) (poem)
- Where Santa Spends Christmas (1960) (poem)
- A Christmas Wish (1961) (poem)
- An Ozzy Adventure (1961) (poem)
- A Christmas Present for Ozma (1962) (poem)
- The Wonderful Land of Oz (1963) (poem)
- Merry Christmas from Jinnicky (1968) (poem)
- The Umbrellaphant (1970) (poem)
- The Cowardly Lion’s Lament (1991) (poem)
- The Cheerful Citizens of Oz (1992) (poetry collection)
- The Dragon of Pumperdink (1995)
- Handy Mandy: Solomon T. Wise’s New Cook (1995) (poem)
- Christmas in Pumperdink (1996)
- The King of Pumperdink (2000) (poem)
- A Day in Oz, or Scraps in Oz (1924) (play)
Novels
- The Curious Cruise of Captain Santa (1926)
- The Wish Express (2007)
Collections
- The Princess of Cozytown (1922)
- The Wonder Book: Stories, Pictures, Games, Puzzles, Hero Tales, Animal Lore, Plays, Fun and Fancy (1929)
- The Wizard of Way-Up and Other Wonders (1985)
- Sissajig and Other Surprises (2003)
Short stories
- Pirate Gold (1914)
- The Witch’s Well (1914)
- The Salemander of Dover (1915)
- Emperor Ching Wow (1915)
- The Good Fairies (1915)
- The Magic Cloak: or, Something New (1915)
- North Pole News (1915)
- The Magic Spectacles (1916)
- The Story of the First Brown-Haired Princess (1916)
- The Little Prince and the Faithful Bluebeard (1916)
- The Magic Tree (1917)
- When the Bugle Sounded—A Patriotic Pageant for the Fouth (1917)
- The Bright Lad and the Giant (1919)
- Uncle Sam’s Birthday: A Patriotic Play for the Fourth of July (1919)
- The Lad Who Found His Fortune (1919)
- Lucky Peter (1920)
- The Wizard and His Purple Beard (1920)
- The Fairy’s Silver Trumpet (1920)
- Land o’ Patch (1921)
- The Magic Pipe (1921)
- The Tailor of Nevermindwhere (1922)
- The Baldheaded Kingdom (1922)
- The Prince with a Cold in His Heart (1922)
- The Princess Who Could Not Dance (1922)
- The Last Giant (1922)
- The Princess of Cozytown (1922)
- The Bald-Headed Kingdom (1922)
- The Taylor of Nevermindwhere (1922)
- Pirates in Oh-Go-Wan (1938)
- The Wiseman of Og (1938)
- The Wizard of Whatintot (1938)
- A Wiseman Brings His Present to the King (1938)
- The Wizard of Way-Up (1939)
- The Wizard of Way-Up and King Ripitik the Tenth (1940)
- The Princess of Plumpieland! (1941)
- Seeress of Saucerville (1941)
- King, King! Double King! (1941)
- Adventures in Sissajig (1942)
- Tommy and the Flying Slippers (1943)
- Blonde Rival (1947)
- A Visit to Jelly Bean Island (1957)
- The Enchanted Hat (1959)
- The Bear Who Stayed Up Late (1961)
- The Flack with the Golden Stopper (1961)
- The Magic Wishing Sack (1962)
- Some Strange and Hitherto Unrecorded Adventures of a Jolly Old Gentleman (1981)
- Thompson/Neill Comic Strip (1995)
- The Green Camel (1998)
- The Artful Arab (1999)
- The Ogre of Oh-Go-Wan (2000)
- The One-Legged Giant (2001)
- Tom Thumb Giant (2001)
- Giant Didn’t Believe in People (2001)
- The Trial of Jonathan Bunny (2003)
- Miss Springtime and the Kobold King (2003)
- The Adventures of Peter Spottle (2005)
- The Tale of Terry Tom Turtle (2005)
- Some Adventures of Golly (2005)
- A Fish Story (2005)
- The Amazin Adventures of Dorabelle (2006)
- My Dears and Ducks (2006)
Poem Series
- Perhappsy Adventures
- The Toys in the Land of Play (1915)
- Perhappsy Fishing (1915)
- Perhappsy Fireworks (1915)
- The Perhappsy Cat (1915)
- Bettsy Bell’s Halloween (1915)
- The Perhappsies Print the Public Ledger (1916)
- The Fairies’ Dance (1916)
- Royal Baking Powder Adventures
- The Little Gingerbread Man, A Royal Time (1923)
- The Comical Cruise of Captain Cooky (1926)
- Wooden Animals I Have Known
- The Camel (1914)
- The Dragon (1915)
- The Forgetful Poet
- Spring Song (1915)
- Winter Night (1916)
- Moving Day (1917)
- Supposyville Stories
- The Wicked Stranger’s Visit to Supposyville (1917)
- Pink Mondays in Supposyville (1918)
- A New Invention (1919)
- Poems
- The Pumpkin Witch (1914)
- Jack Pumpkin Woke (1914)
- Wide Awake and Sleepy Bye (1914)
- Children’s Eyes (1915)
- Ma Kebe Lievetea! (1915)
- Th Eancie Ntknight! (1915)
- The Little Light Fairy (1915)
- “The Animals the Other Night —” (1915)
- The Perhappsy Chaps (1915)
- A Little Boy’s Soliloquy (1915)
- Whimsical Beasts!: Shank’s Mare (1915)
- The Otter Chaps (1915)
- Baby! (1916)
- What Happened to the Scarecrow (1916)
- Winter (1916)
- The Man Without a Hook (1917)
- The Little Gray People Who Come Out at Night (1917)
- The Cloud’s Lullaby (1917)
- How Time Flies (1917)
- The Sensible Goose (1917)
- Autumn (1917)
- Rob Rabbit (1918)
- The Jack of Spades (1918)
- Higgelty Piggelty (1918)
- The Magic Cloak (1918)
- The Artist and the Cow (1918)
- The Sea Santa (1918)
- The Tale of a Pink Flamingo (1919)
- The Amiable Old Dragon (1919)
- Growing Up (1919)
- Brother and Sister Goose (1919)
- The Sand Man’s Desert (1919)
- A Fairy Fact (1919)
- The Two Knights (1919)
- Adventures of the China Chaps (1919)
- Rockinghorse Hill (1920)
- The Land of Nod (1920)
- Princess White Mouse (1920)
- The Apple Pie Princess (1920)
- The Ray Knights (1920)
- A Funny Little Beast (1920)
- A Comical State O’ Things (1921)
- In Fairyland (1923)
- The Prince of the Gelatin Isles (1926)
- An English Garden (1928)
- O Sweet Bovinity (1930)
- How Long (1931)
- Epicurus (1931)
- Positively Off It! (1934)
- Happiness (1935)
- Author! Author! (1936)
- A Little Red Robin (1936)
- The Little Roads (1936)
- The Enchanted Cat (1942)
- Birds Don’t Peel Their Feathers (1950)
- Who Can It Be? (1956)
- Why Humpty Dumpty Had a Happy Easter (1961)
- The Wizard’s Christmas Invention (1966)
- Dawn (1976)
- The Merry Christmas Seal (1981)
- With a Cake of Yardley Lavender Soap (1985)
- With a Little Paper and Bamboo Parasol (1985)
- It’s Obvious What Came With This (1985)
- This to My Husband, Don (1985)
- This With a Gold Toy Trumpet (1985)
- This to My Don, Also (1985)
- Sunday Morning (1985)
- The King of the Corn (1996)
- A Roundabout Rhyme (1997)
- A Fairy Frolic (1998)
- Nonsense (2000)
- The Dancing Lesson of Sarah Jane (2002)
- July 4, 1919 (2004)
- And So Fourth (2004)
- Safety First (2004)
- Too Bad (2004)
- July (2004)
- Nonsense! (2005)
- In a Fort of Sand (2005)
- Thanksgiving —1919 (2007)
- Essays
- Christmas Presents to Make! (1915)
- A Letter to You (1915)
- Mr. Doub L. Boiler (1915)
- Do Fairies Believe in You? (1926)
- Historian of Oz Sends Letter to All Ozzites (1926)
- A Pirate Party (1943)
- How I Came to Write Nineteen of the Oz Books (1957)
- John R. Neill: An Appreciation (1964)
- A Brief Glance Backward (1965)
- Some of My Writing Activities (1965)
- Letter (The Baum Bugle, Spring 1973)
- (1973)
- Letter (The Baum Bugle, Spring 1975)
- : A Note from RPT (1975)
- The R.P.T. Fairy Tale and Idea Company (part 1 of 2)
- (1981)
- The R.P.T. Fairy Tale and Idea Company (part 2 of 2)
- (1982)
- Concerning the Wonderful Wizard of Oz and Its Discoverer L. Frank Baum (1982)
- An Ozian Television Odyssey (1991)
- Letter (The Baum Bugle, Winter 1995)
- (1995)