| Title | Type | (Month) Year |
| Something Squishy | short story | December 1924 (non-Mulliner version) |
| Honeysuckle Cottage | short story | January 1925 (non-Mulliner version) |
| The Awful Gladness of the Mater | short story | March 1925 (non-Mulliner version) |
| The Truth About George | short story | July 1926 |
| A Slice of Life | short story | August 1926 |
| Mulliner's Buck-U-Uppo | short story | September 1926 |
| The Romance of a Bulb-squeezer | short story | March 1927 |
| The Story of William | short story | April 1927 |
| Those in Peril on the Tee | short story | May 1927 |
| Came the Dawn | short story | June 1927 |
| The Bishop's Move | short story | August 1927 |
| Portrait of a Disciplinarian | short story | September 1927 |
| The Passing of Ambrose | short story | July 1928 |
| The Reverent Wooing of Archibald | short story | August 1928 |
| The Ordeal of Osbert Mulliner | short story | November 1928 |
| Unpleasantness at Bludleigh Court | short story | February 1929 |
| The Man who gave up Smoking | short story | March 1929 |
| The Story of Cedric | short story | May 1929 |
| Gala Night | short story | May 1930 |
| Best Seller | short story | June 1930 |
| The Knightly Quest of Mervyn | short story | April 1931 |
| The Smile that Wins | short story | October 1931 |
| The Voice from the Past | short story | November 1931 |
| Strychnine in the Soup | short story | December 1931 |
| The Story of Webster | short story | February 1932 |
| Cats will be Cats | short story | March 1932 |
| Open House | short story | April 1932 |
| Monkey Business | short story | December 1932 |
| The Nodder | short story | January 1933 |
| The Juice of an Orange | short story | February 1933 |
| The Rise of Minna Nordstrom | short story | March 1933 |
| The Castaways | short story | June 1933 |
| The Fiery Wooing of Mordred | short story | December 1934 |
| The Code of the Mulliners | short story | February 1935 |
| Archibald and the Masses | short story | August 1935 |
| Buried Treasure | short story | September 1936 |
| Anselm Gets his Chance | short story | July 1937 |
| The Right Approach | short story | January 1959 |
| Big Business | short story | 1959 |
| George and Alfred | short story | January 1967 |
| Another Christmas Carol | short story | December 1970 |
See also the Notes for collectors page for omnibus editions which might contain one or more of the above.
From a Detective's Notebook, a short story from February 1960, features one of the Mulliner clan but is not told by Mr Mulliner.