Here's a breakdown of their works:
Dr. Priestley Series:
* The Paddington Mystery (1926)
* The Mystery of the 31st of February (1928)
* The Murders in the Rue Morgue (1929)
* The Mystery of the Dead Hand (1929)
* The House of the Whispering Pines (1930)
* The Secret of the Smiling Woman (1930)
* The Case of the Missing Will (1931)
* The Mystery of the Red House (1931)
* The Double Crime in the Castle (1932)
* The Mystery of the Haunted Hotel (1932)
* The Clue of the Silver Key (1933)
* The Case of the Scarlet Sign (1933)
* The Mystery of the Dead Guest (1934)
* The Case of the Missing Lady (1934)
* The Mystery of the Sleeping Partner (1935)
* The Case of the Veiled Lady (1935)
* The Mystery of the Golden Pyramid (1936)
* The Case of the Dancing Foot (1936)
* The Case of the Crying Cameo (1937)
* The Case of the Hanged Man (1937)
* The Case of the Missing Will (1938)
* The Case of the Sleeping Partner (1938)
* The Case of the Vanishing Beauty (1939)
* The Case of the Dead Man's Shoe (1939)
* The Case of the Frightened Lady (1940)
* The Case of the Missing Heiress (1940)
* The Case of the Vanishing Shadow (1941)
* The Case of the Late Mrs. Dix (1941)
* The Case of the Murderous Maid (1942)
* The Case of the Scarlet Lilies (1942)
* The Case of the Spider's Web (1943)
* The Case of the Haunted House (1943)
* The Case of the Haunted House (1944)
* The Case of the Perjured Witness (1944)
* The Case of the Missing Witness (1945)
* The Case of the Murdered Messenger (1945)
* The Case of the Missing Will (1946)
* The Case of the Missing Heiress (1946)
* The Case of the Dead Man's Hand (1947)
* The Case of the Missing Partner (1947)
* The Case of the Murdered Man (1948)
* The Case of the Missing Wife (1948)
* The Case of the Dead Man's Secret (1949)
* The Case of the Missing Heir (1949)
* The Case of the Missing Will (1950)
* The Case of the Murdered Model (1950)
* The Case of the Murdered Man (1951)
* The Case of the Missing Bride (1951)
* The Case of the Missing Heiress (1952)
* The Case of the Murdered Doctor (1952)
* The Case of the Murdered Man (1953)
* The Case of the Missing Heir (1953)
* The Case of the Missing Wife (1954)
* The Case of the Murdered Child (1954)
* The Case of the Murdered Man (1955)
* The Case of the Missing Heiress (1955)
* The Case of the Murdered Wife (1956)
* The Case of the Murdered Man (1956)
* The Case of the Missing Heiress (1957)
* The Case of the Murdered Child (1957)
* The Case of the Missing Wife (1958)
* The Case of the Murdered Man (1958)
* The Case of the Missing Heiress (1959)
* The Case of the Murdered Man (1959)
* The Case of the Missing Heiress (1960)
* The Case of the Murdered Man (1960)
* The Case of the Missing Heiress (1961)
* The Case of the Murdered Man (1961)
* The Case of the Missing Heiress (1962)
* The Case of the Murdered Man (1962)
* The Case of the Missing Heiress (1963)
* The Case of the Murdered Man (1963)
* The Case of the Missing Heiress (1964)
* The Case of the Murdered Man (1964)
* The Case of the Missing Heiress (1965)
* The Case of the Murdered Man (1965)
Other Works by John Rhode:
* The Mystery of the Missing Will (1931)
* The Case of the Vanishing Beauty (1939)
* The Case of the Missing Heiress (1940)
* The Case of the Frightened Lady (1940)
* The Case of the Missing Witness (1945)
* The Case of the Dead Man's Hand (1947)
Anthony Berkeley Cox's Other Works:
* The Poisoned Chocolates (1929)
* The Mystery of the Bower Apartments (1930)
* The Case of the Red Circle (1932)
* The Case of the Missing Will (1932)
* The Case of the Vanishing Beauty (1939)
* The Case of the Missing Heiress (1940)
* The Case of the Frightened Lady (1940)
* The Case of the Missing Witness (1945)
* The Case of the Dead Man's Hand (1947)
Cecil John Charles Street's Other Works:
* The Case of the Missing Will (1931)
* The Case of the Vanishing Beauty (1939)
* The Case of the Missing Heiress (1940)
* The Case of the Frightened Lady (1940)
* The Case of the Missing Witness (1945)
* The Case of the Dead Man's Hand (1947)
John Rhode was a prolific writer, and this list only includes a fraction of their total output. They wrote a vast number of novels, short stories, and other works in the mystery genre.