BioStor
 | Reptiles and amphibians from Southwestern Asia K P Schmidt (1939) Publ. Field Mus. nat. Hist., zool. Ser. 24: 49-92 |
 | Reptiles and amphibians from central Arabia K P Schmidt (1941) Field Mus. Nat. Hist., Zool. Ser. 24: 161-165 |
 | Herpetofauna of the islands of the Argo-saronic Gul, Greece Richard J Clark (1967) Proceedings of the California Academy of Sciences 35: 23-36 |
 | Zur Ökologie der temporären Süßwasserflachseen des Tafelbergs "Giara di Gesturi" auf Sardinien J Margraf and B Maass (1982) Spixiana 5: 69-99 |
 | A review of the distribution of diploid, triploid and tetraploid Green Toads (Bufo viridis complex) in Asia including new data from Pakistan M Stöck, D Frynta et al. (2001) Asiatic Herpetological Research 9: 77-100 |