Here are four novels and 44 short stories written by Sir Arthur Conan Doyle about Sherlock Holmes.
Novels:
A Study in Scarlet
The Sign of the Four
The Hound of the Baskervilles
The Valley of Fear
The Adventures of Sherlock Holmes
A Scandal in Bohemia"
The Red-Headed League"
A Case of Identity"
The Boscombe Valley Mystery"
The Five Orange Pips"
The Man with the Twisted Lip
The Adventure of the Blue Carbuncle
The Adventure of the Speckled Band
The Adventure of the Engineer's Thumb
The Adventure of the Noble Bachelor
The Adventure of the Beryl Coronet
The Adventure of the Copper Beeches
The Memoirs of Sherlock Holmes
The Adventure of Silver Blaze
The Adventure of the Cardboard Box
The Adventure of the Yellow Face
The Adventure of the Stockbroker's Clerk
The Adventure of the Gloria Scott
The Adventure of the Musgrave Ritual
The Adventure of the Reigate Squire
The Adventure of the Crooked Man
The Adventure of the Resident Patient
The Adventure of the Greek Interpreter
The Adventure of the Naval Treaty
The Adventure of the Final Problem
The Return of Sherlock Holmes
The Adventure of the Empty House
The Adventure of the Norwood Builder
The Adventure of the Dancing Men
The Adventure of the Solitary Cyclist
The Adventure of the Priory School
The Adventure of Black Peter
The Adventure of Charles Augustus Milverton
The Adventure of the Six Napoleons
The Adventure of the Three Students
The Adventure of the Golden Pince-Nez
The Adventure of the Missing Three-Quarter"
The Adventure of the Abbey Grange"
The Adventure of the Second Stain"
His Last Bow
The Adventure of Wisteria Lodge"
The Adventure of the Cardboard Box"
The Adventure of the Red Circle
The Adventure of the Bruce-Partington Plans
The Adventure of the Dying Detective
The Disappearance of Lady Frances Carfax
The Adventure of the Devil's Foot
His Last Bow
DOES NOT contain The Casebook of Sherlock Holmes