Columbia subject headings:
Communication--Religious aspects--Christianity.
Evangelicalism.
Evangelistic work.
International Congress on World Evangelization (1974 : Lausanne, Switzerland)
Moody, Dwight Lyman, 1837-1899.
Sunday, Billy, 1862-1935.
World Congress on Evangelism (1966 : Berlin, Germany)
Harvard subject headings:
Evangelistic work--Congresses--History.
Evangelistic work--History.
Princeton subject headings: