Alex Calder (EDT)/ Jonathan Lamb (EDT)/ Bridget Orr (EDT)/ David Nichol Smith Memorial Seminar 1993 (University of Auckland)
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Clarence R. Geier (EDT)/ Lawrence E. Babits (EDT)/ Douglas D. Scott (EDT)/ David G. Orr (EDT)
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Cosimo A. Sgarlata (EDT)/ David G. Orr (EDT)/ Bethany A. Morrison (EDT)
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David Gerald Orr (EDT)/ Matthew B. Reeves (EDT)
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David Orr (EDT)/ Andrew Gumbel (EDT)/ Bakari Kitwana (EDT)/ William Becker (EDT)
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Linda Buzzell (EDT)/ Craig Chalquist Ph.D. (EDT)/ David W. Orr (FRW)
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Lyle Estill (EDT)/ David W. Orr (FRW)
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Martin Postle (EDT)/ Clarissa Campbell Orr (CON)/ Jessica David (CON)/ Gillian Forrester (CON)/ Charles Greig (CON)
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Robert Frost/ David Orr (EDT)
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Ross G. White (EDT)/ Sumeet Jain (EDT)/ David M. R. Orr (EDT)/ Ursula M. Read (EDT)
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