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John Boyd Orr
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Ethical Choice
978-O-O2-9O2O6O-9
(O-O2-9O2O6O-3)
1970
Robert Nelson Beck
J.B.
·
J. Boyd
·
John B.
·
John Boyd
·
John O.
·
John Orr
John Boyd Ph.D.