Social facts are key, since they are what constitute and express the psychic reality that is society.
Socialism and Saint-Simon. As Durkheim claims, morality begins only when an individual pertains to a group. In his book Suicide, Durkheim studied the suicide rates in Catholic and Protestant communities.
New York: Routledge, Oxford: Durkheim Press, Emile Durkheim looks at society differently to both Marx and Weber, he looks at solidarity, the basis of what keeps society together rather than trying to understand the way society works. Discuss why you chose your preferred theorists views over the others.
Importantly these scholars were relating morality to other social institutions such as economics or the law, and in the process were emphasizing the social nature of morality.