Serialisations
1960's
1961:
The Pale Horse 1961 (Woman's Mirror – UK) Published in the US the following year: American serialisation.
1966:
Third Girl 1966 (Woman's Own – UK) [+ HP] Published in the US the following year: American serialisation.
1969:
Hallowe'en Party 1969 (Woman's Own – UK) Published in the US later the same year: American serialisation.