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Keywords from Image Description:
Brehms Tierleben Plate Froschlurche II . Grasfrofch Rana temporaria nat Gr MayerWien phot Secfroich Rana ridibunda Pall ' nat Gr Cerny Wien pliot Plate Froschlurche II Illustration biodiversitylibrary org title Bibliographisches Institut Leipzig Brehm Alfred Edmund Heck Ludwig Hempelmann Friedrich Heymons Richard Marshall