Louis Joseph Vance

Spies force former jewel thief Michael Lanyard to steal defense secrets in Washington.

Ex-thief Lone Wolf and his valet don turbans to solve a museum jewel theft.

A hardworking secretary for a rich woman finds herself engaged to the woman's son and accused of a murder she didn't commit.

Michael Lanyard's faithful butler Jamison is mistaken for his boss by a gang of jewel robbers.

Complicated plot involving missing stamp collection and kidnapped businessman, with the Lone Wolf keeping one step ahead of the police in Havana trying to solve the crime and make a profit.

Once a jewel thief always a jewel thief? Yes and no. Yes if you consider the fact that Michael Lanyard also known as the Lone Wolf once retired from the "trade" but relapses back into his old habits when he is tempted by the emerald pendant of beautiful socialite Marcia Stewart. The trouble (?) is that he falls for the belle and he soon gets more interested in getting the girl than the jewels that adorn her. What he wants now is to return the pendant but a rival gang interfere and force him to take part in a big-time caper.

Nelly is so intent on her writing career, that she neglects her appearance and her husband, Wayne. Jill Wetherell, who is looking for a rich husband, finds Wayne to be easy prey and Nelly catches them together. She divorces Wayne and travels to Europe. Jill, however, throws Wayne over for Perley Rex.

When a girl's lover kills her husband she offers herself to her father-in-law in exchange for his freedom.

The Lone Wolf tracks down Nazi spies in London during the German bombing.

Reformed jewel thief the Lone Wolf investigates the murder of a playboy who was blackmailing three socialites.

Former jewel thief Michael Lanyard toys with a princess and a grand duke.

Michael Lanyard is suspected of stealing two fabulous diamonds from a vault in Scotland Yard, where they were being held for safekeeping, but the Yard can't prove he did it. Later, Lanyard is summoned by a member of the nobility to help the latter raise money to pay a blackmailer. Lanyard later finds evidence to reveal the diamonds as having been stolen by a famous stage star.

A newspaper man, and former jewel thief, is accused of gem theft.

Spies from Japan conspire to steal the Channing "preparedness" fortune and invade the United States, beginning in New York, then allying themselves with Mexicans across the border. They are stopped by the efforts of munitions factory heiress Patria Channing and U.S. Secret Service agent Donald Parr.

Michael Lanyard, aka the Lone Wolf, is sailing to America when he meets pretty Eve de Montalais. Eve wants to sneak her valuable necklace through U.S. customs so that she can use the money from its sale to help straighten out her brother. The only problem is that there is a gang of jewel thieves on board who are just as determined to steal the necklace.

The Secret Kingdom is a 1917 silent action movie serial comprised of 15 chapters: 1. Land of the Intrigue 2. Royalty at Red Wing 3. Sealed Packet 4. Honorable Mr. Oxenham 5. Carriage Call #101 6. Human Flotsam 7. Ghost Ship 8. Rum Cay 9. Swamp Adder 10. A Goat Without Horns 11. The White Witch 12. The Shark's Nest 13. The Tragic Masque 14. The Portrait of a King 15. The Tocsin.

When Marcel, a waif, saves master crook Burke from the police, Burke adopts the youngster and teaches him his profession. Years later, Marcel has become a master crook himself, working under the name of Michael Lanyard. His clever work baffles the Paris police, who dub him "The Lone Wolf". The Pack, a gang of criminals, notifies The Wolf that unless he joins them, he is marked for destruction. Lucy, an undercover agent masquerading as a crook to expose the gang, helps The Wolf escape. This inaugurates a series of adventures in which Lucy and The Wolf are pursued by the gang, finally making their escape to England by plane. The Pack follows, only to meet their death in a plane crash. Liberated from his tormentors, The Wolf vows to go straight and marries Lucy.

The Lone Wolf, an international thief who is expert in dodging the police, is rifling a wall safe when he senses the approach of detectives. Secreting a necklace in a cigarette case, he makes a hasty retreat. In disguise, he climbs to the balcony of another house where a bal masque is in progress and conceals himself in Marcia Mayfair's boudoir. Later he mingles with the guests and dances with Marcia. Lanyard is disclosed as a stranger when detectives force the guests to unmask, but Marcia remains silent while Lanyard replaces the jewels lifted from her bedroom. Lanyard is warned by Detective Crane, who suspects him but has no evidence. A visit to a bohemian resort owned by Morphew, leader of a band of thieves, provokes a heated argument in which Lanyard is threatened; and Marcia and Lanyard barely escape being caught in a raid. Their romance is threatened when Marcia's jewels are again stolen, but Lanyard traps Morphew and his gang and brings them to justice.

Genteel southern horse-breeder Col. Richard Fairfax is framed on the charge of embezzlement by Martyn Selsby, his business partner, and sentenced to jail.

20 two reels episodic dramatic serial now lost. (1) Liquor and the Law (1915); (2) The Tenement House Evil (1915); (3) The Traction Grab (1915); (4) The Power of the People (1916); (5) Grinding Life Down (1916); (6) The Railroad Monopoly (1916); (7) America Saved from War (1916); (8) Old King Coal (1916); (9) The Insurance Swindlers (1916); (10) The Harbor Transportation Trust (1916); (11) The Illegal Bucket Shops (1916); (12) The Milk Battle (1916); (13) The Powder Trust and the War (1916); (14) The Iron Ring (1916); (15) The Patent Medicine Danger (1916); (16) The Pirates of Finance (1916); (17) Queen of the Prophets (1916); (18) The Hidden City of Crime (1916); (19) The Photo Badger Game (1916); and (20) The Final Conquest (1916).