Rare plants -- Southern States : Saving the wild South : the fight for wild plants on the brink of extinction / Georgann Eubanks ; photographs by Donna Campbell
Rare reptiles -- California : California amphibian and reptile species of special concern / Robert C. Thomson, Amber N. Wright, and H. Bradley Shaffer
2016
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Rare reptiles -- Galapagos Islands : On the backs of tortoises : Darwin, the Galápagos, and the fate of an evolutionary Eden / Elizabeth Hennessy
2019
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Rare species -- Australia : Our wildlife in peril / by the Endangered Species Committee of the Total Environment Centre ; illustrations by Dorothy Dunphy
Rare vertebrates -- Australia. : Our wildlife in peril / by the Endangered Species Committee of the Total Environment Centre ; illustrations by Dorothy Dunphy
rareté économie ressources naturelles : Scarcity and frontiers : how economies have developed through natural resource exploitation / Edward B. Barbier
2011
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rareté langue étude de cas : Rara & rarissima : documenting the fringes of linguistic diversity / edited by Jan Wohlgemuth and Michael Cysouw
Rarotonga (Cook Islands) -- History. : Two hundred changing years : a story of New Zealand's little sisters in the Pacific : the Cook Islands, the Tokelau Islands, and Niue Island / by Marjorie Crocombe ; illustrated by Eric Heath