Date: 1967-09-30

Hot Diamonds in Cold Blood

Date: 1917-06-16

The Stolen Treaty

Date: 1969-01-01

Strategy of Terror

Date: 1966-10-15

Requiem for a Secret Agent

Date: 1966-10-07

Black Box Affair

Date: 1936-10-09

The Sky Parade

Date: 1965-11-10

Operation Double Cross

Date: 1969-04-18

Island of Lost Girls

Date: 1968-08-22

Negresco

Date: 1973-12-18

From the Archives of the Criminal Police

Date: 1918-09-01

The Prussian Cur

Date: 1955-01-01

Assignment Abroad

Date: 1972-03-06

The Delphi Bureau

Date: 1969-10-27

Destiny of a Spy

Date: 1934-04-01

Mr. Stringfellow Says No

Date: 1972-10-20

The Baron: Mystery Island

Date: 1967-09-29

Death on a Rainy Day

Date: 1916-10-16

In the Diplomatic Service

Date: 1926-03-07

Secret Orders

Date: 1936-09-09

Spy of Napoleon