BioStor
 | Fourth Report on Additions to the Batrachian Collection in the Natural-History Museum1 G A Boulenger (1898) Proceedings of The Zoological Society of London 1898: 473-482 |
 | Note on an Italian Newt, Molge italica M G Peracca (1898) Proceedings of The Zoological Society of London 1898: 482-487 |
 | On some Spiders from Savoy O Pickard-Cambridge (1898) Proceedings of The Zoological Society of London 1898: 487-491 |
 | Typical reptiles and amphibians in the Museum of Comparative Zoology T Barbour and A Loveridge (1929) Bulletin of the Museum of Comparative Zoology, Harvard 69: 205-360 |
 | Type catalogue of amphibians in the Zoologische Staatssammlung München Frank Glaw and Michael Franzen (2006) Spixiana 29(2): 153-192 |