Georgette Heyer
Superintendent Hannasyde, a police superintendent in England:

Death in the Stocks (1935)
APA: Merely Murder (1935)

Behold, Here's Poison! (1936)

They Found Him Dead (1937)

A Blunt Instrument (1938)

Inspector Hemingway, Hannasyde’s subordinate in England:

No Wind of Blame (1939)

Envious Casca (1941)

Duplicate Death (1951)

Detection Unlimited (1953)


Footsteps in the Dark (1932)

Why Shoot a Butler? (1933)

The Unfinished Clue (1934)

Penhallow (1942)