Columbia subject headings:
Christian union--Periodicals.
Church and social problems--Periodicals.
Economic development--Religious aspects--Periodicals.
Missions--Periodicals.
World Council of Churches--Periodicals.
Harvard subject headings:
Christian union--Periodicals.
Christianity--Developing countries--Periodicals.
Church and social problems--Periodicals
Church charities--Periodicals.
Missions--Periodicals
World Council of Churches--Periodicals.
Princeton subject headings: