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| 1. |
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Birds of Maine
Peter Vickery, Charles Duncan, Jeffrey V Wells, William J Sheehan, Scott Weidensaul
Inbunden. Princeton University Press, USA, 2020.
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| 2. |
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Birds of Maine
Peter D Vickery, Charles D Duncan, Jeffrey V Wells, William J Sheehan, Scott Weidensaul
E-bok. Princeton University Press, USA, 2020.
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| 3. |
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Fleet and Crookham: A Pictorial History
Stan Knight, Peter Pimm, Percy Vickery, Tony Wright
Häftad. Phillimore & Co Ltd, Storbritannien, 1994.
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