51.
 |  | Title: Charles Darwin's Notebooks, 1836-1844: Geology, Transmutation of Species, Metaphysical Enquiries by Paul H. Barrett, Peter J. Gautrey, Charles Darwin, Sydney Smith ISBN: 0801495806 Publisher: Cornell Univ Pr Pub. Date: 1989 List Price: $45.00 Amazon.com Price: $45.00 |
52.
 |  | Title: Nature of Environments: Evaluation Pack (Issues in Geography) by Fred Martin, Peter Barrett, Celia, Clive Hawkins Tidmarsh, John West ISBN: 0435345729 Publisher: Heinemann Educational Books - Secondary Division Pub. Date: 01 April, 1987
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53.
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54.
 |  | Title: Advances in Behavioral Pharmacology by James E. Barrett, Travis Thompson, Peter B. Dews ISBN: 0805803513 Publisher: Lawrence Erlbaum Assoc Pub. Date: 1990 List Price: $59.95 Amazon.com Price: $59.95 |
55.
 |  | Title: Practice Management: New Perspectives for the Construction Professional by Peter Barrett, Roderick Males ISBN: 0442314558 Publisher: Chapman & Hall Pub. Date: 1991 List Price: $57.95 Amazon.com Price: $57.95 |
56.
 |  | Title: The Tunnel of Love by Peter De Vries, Barrett Whitener, Peter de Vries ISBN: 0786117710 Publisher: Blackstone Audiobooks Pub. Date: 2000 List Price: $44.95 Amazon.com Price: $44.95 |
57.
 |  | Title: The Works of Charles Darwin: Erasmus Darwin (1879) / The Autobiography of Charles Darwin (1958) (The Pickering Masters) by Ernst Krause, Charles Darwin, Nora Barlow, Paul H. Barrett, Richard B. Freeman, Peter Gautrey ISBN: 1851964096 Publisher: Pickering & Chatto Ltd Pub. Date: 30 April, 1992
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58.
 |  | Title: The Works of Charles Darwin: Volumes 21-29 (The Pickering Masters) by Charles Darwin, Paul H. Barrett, Richard B. Freeman, Peter Gautrey ISBN: 185196004X Publisher: Pickering & Chatto Ltd Pub. Date: 31 January, 1990
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59.
 |  | Title: The Works of Charles Darwin: Volumes 1-10 (The Pickering Masters) by Charles Darwin, Paul H. Barrett, Richard B. Freeman, Peter Gautrey ISBN: 1851960023 Publisher: Pickering & Chatto Ltd Pub. Date: 31 December, 1987
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60.
 |  | Title: The Works of Charles Darwin: Volumes 11-20 (The Pickering Masters) by Charles Darwin, Paul H. Barrett, Richard B. Freeman, Peter Gautrey ISBN: 1851960031 Publisher: Pickering & Chatto Ltd Pub. Date: 31 December, 1988
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