Columbia subject headings:
Harvard subject headings:
Agriculture--Religious aspects--Catholic Church--Congresses.
Catholic Church--Doctrines--Congresses.
Catholic Church. Pope (2013- : Francis). Laudato si'--Congresses.
Christian sociology--Catholic Church--Congresses.
Ecotheology--Congresses.
Human ecology--Religious aspects--Catholic Church--Congresses.
Princeton subject headings:
Agriculture--Religious aspects--Catholic Church--Congresses.
Catholic Church--Doctrines--Congresses.
Catholic Church. Pope (2013- : Francis). Laudato si'--Congresses.
Christian sociology--Catholic Church--Congresses.
Ecotheology--Congresses.
Human ecology--Religious aspects--Catholic Church--Congresses.