The Vatican declaration on sexual ethics is known as Persona Humana and can be accessed at the link below. It's subtitle in English is DECLARATION ON CERTAIN QUESTIONS CONCERNING SEXUAL ETHICS, see link below.

Winfield Scott Hall has written:

'Sexual knowledge' -- subject(s): Sexual Hygiene, Sexual ethics

'Father and son' -- subject(s): Sex

'... Instead of \\' -- subject(s): Sexual ethics

Morris Nemeth has written:

'Sex and morality' -- subject(s): Ethics, Jewish, Jewish ethics, Sexual ethics

Kresten Bjerg has written:

'Moralpsykologi og sexualmoral' -- subject(s): Ethics, Psychology, Sexual ethics

Ronald F. Atkinson has written:

'Sexual morality' -- subject(s): Sexual ethics