The Prussian Cur

Smashing the Spy Ring

1938

In the Diplomatic Service

1916

Target Hong Kong

1953

The Debrief

Dream-Spy

True Heaven

1929

Trap for Seven Spies

1966

The Sky Parade

1936

The Stolen Treaty

1917

Negresco

1968

The Delphi Bureau: The Merchant of Death Assignment

1972

Destiny of a Spy

1969

Red Snow

1952

Forever Red

2020

Inside the Lines

1918

Taste of Excitement

1969