Novels

• The Princess Aline (1895) (transcription project)
• Soldiers of Fortune (1897)
• The King's Jackal (1898)
• The Lion and the Unicorn (1899)
• The Scarlet Car (1906)
• Vera the Medium (1908)
• The White Mice (1909)

Short story collections

• Gallegher and Other Stories (1891) illus. Charles Dana Gibson
  • Gallegher: A Newspaper Story
  • A Walk up the Avenue
  • My Disreputable Friend, Mr. Raegen
  • The Other Woman
  • The Trailer for Room No. 8
  • "There were Ninety and Nine"
  • The Cynical Miss Catherwaight
  • Van Bibber and the Swan-Boats
  • Van Bibber's Burglar
  • Van Bibber as Best Man

• Van Bibber and Others (1892)
  • Her First Appearance
  • Van Bibber's Man-Servant
  • The Hungry Man Was Fed
  • Van Bibber at the Races
  • An Experiment in Economy
  • Mr. Travers's First Hunt
  • Love Me, Love My Dog
  • Eleanore Cuyler
  • A Recruit at Christmas
  • A Patron of Art
  • Andy M'gee's Chorus Girl
  • A Leander of the East River
  • How Hefty Burke Got Even
  • Outside the Prison

• The Exiles and Other Stories (1894)
  • The Exiles
  • The Boy Orator of Zepata City
  • The Other Woman
  • On the Fever Ship
  • The Lion and the Unicorn
  • The Last Ride Together
  • Miss Delamare's Understudy
  • The Reporter Who Made Himself King

• Cinderella and Other Stories (1896)
  • Cinderella (as "Cinderella" in Scribner's Magazine, 1896)
  • Miss Delamar's Understudy
  • The Editor's Story
  • An Assisted Emigrant
  • The Reporter Who Made Himself King

• The Lost Road (1913) illus. Wallace Morgan
  • The Lost Road
  • The Miracle of Las Palmas
  • Evil to Him Who Evil Thinks
  • The Men of Zanzibar
  • The Long Arm
  • The God of Coincidence
  • The Buried Treasure of Cobre
  • The Boy Scout*
  • Somewhere in France*
  • The Deserter*

* Stories included in a different (Project Gutenberg) edition

• Ranson's Folly (1902)
  • Ranson's Folly
  • The Bar Sinister
  • A Derelict
  • La Lettre d'Amour
  • In the Fog

Plays

• Ranson’s Folly (1904)
• The Dictator (1904)
• Miss Civilisation (1904)
• The Littlest Girl (1898)

Non-fiction works

• The West from a Car Window (1892)
• Our English Cousins (1894)
• The Rulers of the Mediterranean (1894)
• About Paris (1895)
• Three Gringos in Central America and Venezuela (1896)
• Cuba in War Time (1897)
• A Year From a Reporter’s Note-Book (1898)
• The Cuban & Porto Rican Campaigns (1899)
• With Both Armies (1900)
• Real Soldiers of Fortune (1906)
• The Congo and coasts of Africa (1907)
• Notes of a War Correspondent (1910)
• With the Allies (1914)
• With the French in France and Salonika (1916)

Works from magazines

• "The Boy Orator of Zepata City" in Harper's Magazine, 1892
• "Cinderella" in Scribner's Magazine, 1896
• "The Defeat of the Underworld" in Collier's,
• "The Exiles" in Harper's, Apr 1894
• "Gallegher. A Newspaper Story" in Scribner's Magazine, 1890
• "The Invasion of England" in Scribner's Magazine, 50 (6) (December, 1911), pp. 697–710
• "My Disreputable Friend, Mr. Raegen" in Scribner's Magazine, 1890
• "The Other Woman" in Scribner's Magazine, 1891
• "The Last Ride Together: A Sketch Containing Three Points of View" (ss) in Scribner's Magazine, Dec 1896
• "The Lion and the Unicorn" (ss) Scribner's Magazine 1899
• "The Lost Road" (ss) Collier's Dec 14, 1912
• "The Make-Believe Man" (ss) Collier's Jan 29 & Feb 5, 1910
• "Vera, the Medium" in Scribner's, 3-part sl, Apr–Jun 1908
• "The Writing on the Wall" in Harper's, Apr 1894