1927 – 1970
Bibliografía (7 obras)
Contemporary American Protestant thought, 1900-1970
1973
Goodbye, Jehovah
1969
Martin Luther King, Jr
1968
The new Christianity
1967
Nonviolence: a Christian interpretation
1964
The church's task in a post-Christian world
Bibliography of books on war, pacifism, nonviolence and related studies
1960
