Leonardo Boff/ Alex Guilherme (TRN)
(2)
Leonardo Boff/ Dinah Livingstone (TRN)
(2)
Leonardo Boff/ John W. Diercksmeier (TRN)
(2)
Leonardo Boff/ Phillip Berryman (TRN)
(2)
Anselm Grun/ Leonardo Boff/ Robert A. Krieg (TRN)
(1)
John Hart/ Leonardo Boff (FRW)/ Thomas Berry (AFT)
(1)
Leonardo Boff (EDT)/ Virgil Elizondo (EDT)
(1)
Leonardo Boff/ Clodovis Boff
(1)
Leonardo Boff/ Paul Burns (TRN)
(1)
Leonardo Boff/ Robert R. Barr (TRN)
(1)
Mark Hathaway/ Leonardo Boff/ Ftitjof Capra (FRW)
(1)
Michael Schut (EDT)/ Jean-Bertrand Aristide (CON)/ Peter Barnes (CON)/ Dave Barry (CON)/ Leonardo Boff (CON)
(1)
Stanley Hauerwas/ Rick Warren/ Leonardo Boff/ Chiara Lubich/ C. S. Lewis
(1)
Virgilio P. Elizondo (EDT)/ John Drury (TRN)/ Jose Oscar Beozzo (CON)/ Leonardo Boff (CON)/ Larry Boudreau (CON)
(1)