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Contents: The eternal now. Originally published, London: S.C.M. Press, 1963. - The new being. Originally published, London: S.C.M. Press, 1956. - On the boundary. Originally published separately, New York: Scribner; London: Collins, 1967.
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The boundaries of our being ... by Paul Tillich. ISBN 0006430171. Published by Collins in 1973. Publication and catalogue information, links to buy online and reader comments.