(Detektiv-)romaner & Novellsamlingar
1950-talet
1955:
The Man in the Brown Suit 1955 (A Harlequin-Pan Book 337)
1956:
The Secret Adversary 1956 (A Harlequin-Pan Book 359)
1957:
The Secret of Chimneys 1957 (A Harlequin-Pan Book 377)