John Harland
Girl from Nowhere (1949)
The Hundredth Door (1950)
An Ape in Velvet (1951)
     aka The Velvet Web

Mr. Potter
Death and Mr. Potter (1955)
     aka The Peacock Is a Bird of Prey
The Last Gamble (1956)
Run For Your Life (1957)
Where is Mary Bostwick? (1958)
     aka Escape to Fear
Dangerous to Me (1959)
It's Murder, Mr. Potter (1961)
     aka Curtain Call
Repent At Leisure (1962)
     aka The Deadly Noose
Back Door to Death (1963)
     aka Nightmare Honeymoon
Fatal Lady (1964)
Call It Accident (1965)
Calculated Risk (1970)

No Tears for the Dead (1948)
Bones of Contention (1950)
     aka The Other Woman
Wake the Sleeping Wolf (1952)
     aka Don't Kill, My Love
The Man in the Shadow (1954)
Dark Intent (1954)
Madness in the Spring (1954)
Suffer a witch (1965)
Scared to death (1966)
Wild Night (1966)
Fear of a Stranger (1967)
The Shelton Conspiracy (1968)
Nightmare House (1969)
Malice Domestic (1969)
No Hiding Place (1970)
Girl on a High Wire (1971)
This Woman Wanted (1972)
Trust a Woman? (1973)
Ominous Star (1973)
The Brownstone House (1974)
     aka Murder by Bequest
The First Mrs. Winston (1974)
Sleep Without Morning (1974)
One O'Clock at the Gotham (1975)
Reckless Lady (1975)
The Dark Hill (1976)
The Barclay Place (1976)
Put Out the Light (1977)
Where Helen Lies (1977)
The Slippery Step (1977)
The Girl Who Had Everything (1978)

Never Say Die / The Bachelor (1950) (with Arthur Upfield)
The Canvas Dagger / Run for Your Life / Murder of Whistler's Brother (1957) (with David Alexander and Helen Reilly)
Beware the Curves / Last Gamble / Mark Three for Murder (1957) (with A A Fair and Robert P Hansen)
Reckless Lady / Conquest Before Autumn / Born to Be Hanged (1973) (with M E Chaber, Matthew Eden)
Case of the Fenced-In Woman / First Mrs Winston / Gideon's Men (1974) (with Erle Stanley Gardner and J J Marric)
Etruscan Smile / Slippery Step / Recoil (1976) (with Brian Garfield and Velda Johnson)