Russell–Einstein Manifesto
Bertrand Russell & Albert Einstein
Meetings With Remarkable Men
Georges Ivanovich Gurdjieff
All and Everything (2)
Philosophy of Mysticism: Raids on the Ineffable
Richard H. Jones
The Cambridge Companion to Marx
Terrell Carver
Collected Works of Alexander Pushkin (Delphi Classics)
Delphi Classics & Alexander Pushkin
Delphi Series Two (6)
Putting on the Mind of Christ: The Inner Work of Christian Spirituality
James Marion & Ken Wilber