597 Cold-blooded vertebrates
597.8 Amphibia (Amphibians)
597.81392 Tadpoles 597.8162 Nonnative amphibians--biology 597.817 Amphibians--ecology 597.82 Gymnophiona 597.85 Urodela 597.86 Pipoidea, Discoglossoidea, Pelobatoidea 597.87 Bufonoidea 597.89 Ranoidea
Dewey Decimal Classification
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