Murder in the Make-Up (Messner, 1937)
Lovers Don’t Sleep (Falcon, 1951) (as Laura Hale) (later rewitten as Sensual Woman (Beacon, 1961)
Kiss of Fire (Rainbow, 1952) (as Laura Hale)
Woman Hunter (Falcon, 1952) (as Laura Hale) (later rewritten as Lessons in Lust (Beacon, 1961)
Hide-Out (Eton, 1953) (as Larry Holden)
A Rage at Sea (Lion, 1953) (as Frederick Lorenz)
Night Never Ends (Lion, 1954) (as Frederick Lorenz)
The Savage Chase (Lion, 1954)(as Frederick Lorenz)
A Party Every Night (Lion, 1956) (as Frederick Lorenz)
I Get What I Want (Popular, 1956) (as Larry Heller)
Ruby (Lion, 1956) (as Frederick Lorenz)
Hot (Lion, 1956) (as Frederick Lorenz)
Three Must Die! (Graphic, 1956) (as Dan Gregory)
Dead Wrong (Pyramid, 1957) (as Larry Holden)
Crime Cop (Pyramid, 1969) (as Larry Holden)
Dungaree (Chariot, 1960) (as Frederick Lorenz)
Desperate Blonde (Beacon, 1961) (as Laura Hale) (later rewritten as the Marriage Bed (Beacon, 1962)
Body of the Crime (Pyramid, 1962) (as Larry Heller)