Psihologice, Anii 1968, Investigatie
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Oul de sarpe (1977)
Das Schlangenei / The Serpent's Egg
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Ultimul val (1977)
The Last Wave
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The Seven-Percent Solution (1976)
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Police Python 357 (1976)
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Sapte morti pe reteta (1975)
Sept Morts Sur Ordonnance
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Scara in spirala (1975)
The Spiral Staircase
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Diabolicele II (1974)
Reflections of Murder
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Pisica cu noua cozi (1971)
Il Gatto a Nove Code / The Cat O' Nine Tails
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Strategia paianjenului (1970)
La Strategia del Ragno / The Spider's Stratagem
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The Bride Wore Black (1968)
La Mariée Etait en Noir
