Columbia subject headings:
Harvard subject headings:
Christian socialism.
Church and social problems--Catholic Church
Liberation theology.
Mysticism--Catholic Church
Mysticism--Social aspects.
Spirituality--Catholic Church
Spirituality--Social aspects.
Princeton subject headings:
Christian socialism.
Church and social problems--Catholic Church.
Liberation theology.
Mysticism--Catholic Church.
Mysticism--Social aspects.
Spirituality--Catholic Church.
Spirituality--Social aspects.