Martin Redfern

• 50 cosas que hay que saber sobre la tierra
• 50 Schlüsselideen Erde
• Theologians Today: Karl Rahner, S.J
• Die Erde
• Earth
• Edward Schillebeeckx, O.P
• F.X. Durrwell, C.S.S.R
• Hans Küng
• Hans Urs Von Balthasar
• Henri de Lubac, S.J
• The Kingfisher young people's book of planet earth
• The Kingfisher young people's book of space