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Progne (Romanian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Progne" in Romanian language version.

refsWebsite
Global rank Romanian rank
2biodiversitylibrary.org
387th place
117th place
1archive.org
6th place
23rd place
1worldbirdnames.org
1,007th place
1,971st place

archive.org

biodiversitylibrary.org

  • Boie, Friedrich (). „Generalübersicht der ornithologischen Ordnungen, Familien und Gattungen”. Isis von Oken (în German). 19. Cols 969–981 [971]. 
  • Mayr, Ernst; Greenway, James C. Jr, ed. (). Check-List of Birds of the World. 9. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 85. 

worldbirdnames.org

  • Gill, Frank; Donsker, David; Rasmussen, Pamela, ed. (iulie 2021). „Swallows”. IOC World Bird List Version 11.2. International Ornithologists' Union. Accesat în .