1994

• Bauer, A.M., Lang, M. & Günther, R. 1994. An Annotated Type Catalogue of the Pygopods, Xantusiids, Gerrhosaurs and Cordylids (Reptilia: Squamata: Pygopodidae, Xantusiidae, Gerrhosauridae and Cordylidae) in the Collection of the Zoological Museum, Berlin. Mitteilungen aus dem Zoologischen Museum in Berlin 70(1): 85–92. DOI: 10.1002/mmnz.19940700103 Reference page. 

2002

• Bauer, A.M., Wallach, V. & Günther 2002. An annotated type catalogue of the scolecophidian, alethinophidian, and macrostomatan snakes in the collection of the Museum fur Naturkunde der Humboldt-Universitat zu Berlin. Zoosystematics and Evolution 78(1): 157–176. DOI: 10.1002/mmnz.20020780108 Reference page. 

2010

• Günther, R., Stelbrink, B. & von Rintelen, T. 2010. Oninia senglaubi, another new genus and species of frog (Amphibia, Anura, Microhylidae) from New Guinea. Zoosystematics and evolution 86(2): 245–256. DOI: 10.1002/zoos.201000007 Full article (PDF) on ResearchGate Reference page. 

2012

• Günther, R. & Richards, S. 2012 "2011". Description of two new species of the microhylid frog genus Oreophryne (Amphibia: Anura: Microhylidae) from southern Papua New Guinea. Vertebrate Zoology 61(3): 343–372. Full article (PDF) Reference page. 

• Günther, R., Richards, S.J., Bickford, D.P. & Johnston, G.R. 2012. A new egg-guarding species of Oreophryne (Amphibia, Anura, Microhylidae) from southern Papua New Guinea. Zoosystematics and Evolution 88(2): 223–230. DOI: 10.1002/zoos.201200019 Reference page. 

2014

• Günther, R., Richards, S.J. & Dahl, C.S. 2014. Nine new species of microhylid frogs from the Muller Range in western Papua New Guinea (Anura, Microhylidae). Vertebrate Zoology 64(1): 59–94. Full article (PDF) Reference page. 

2015

• Günther, R. 2015. Two new Oreophryne species from the Fakfak Mountains, West Papua Province of Indonesia (Anura, Microhylidae). Vertebrate Zoology 65(3): 357–370. Full article (PDF) Reference page. 

2016

• Günther, R. & Richards, S. 2016. Description of two new species of the microhylid frog genus Oreophryne (Amphibia: Anura: Microhylidae) from southern Papua New Guinea. Vertebrate Zoology 66(2): 157–168. Full article (PDF) Reference page. 

2017

• Günther, R. & Richards, S. 2017. Three new species of the microhylid frog genus Choerophryne (Amphibia, Anura, Microhylidae) from Papua New Guinea. Zoosystematics and Evolution 93(2): 265–279. DOI: 10.3897/zse.93.11576 . Reference page. 

2019

• Richards, S. & Günther, R. 2019 Three new scansorial species of microhylid frogs (Anura: Cophixalus, Oreophryne) from Papua New Guinea. Salamandra 55(2): 55–72. Full article (PDF). Reference page.