Columbia subject headings:
Richard, Gaston--Influence.
Sociology--France.
Sociology--Methodology.
Sociology--Moral and ethical aspects.
Solidarity.
Harvard subject headings:
Richard, Gaston--Influence.
Sociology--France.
Sociology--Methodology
Sociology--Moral and ethical aspects.
Solidarity
Princeton subject headings:
Richard, Gaston--Influence.
Sociology--France.
Sociology--Methodology.
Sociology--Moral and ethical aspects.
Solidarity.