Theocritus Lucius Westborough Mystery
The Death Angel (1936)
The Fifth Tumbler (1936)
Blind Drifts (1937)
The Purple Parrot (1937)
The Man From Tibet (1938)
The Whispering Ear (1938)
Dragon's Cave (1939)
Murder Gone Minoan (1939)
aka Clue to the Labyrinth
Poison Jasmine (1940)
Green Shiver (1941)
The Fifth Tumbler (1936)
Blind Drifts (1937)
The Purple Parrot (1937)
The Man From Tibet (1938)
The Whispering Ear (1938)
Dragon's Cave (1939)
Murder Gone Minoan (1939)
aka Clue to the Labyrinth
Poison Jasmine (1940)
Green Shiver (1941)