https://www.pemberleybooks.com/product/dragonfly-genera-of-the-new-world-an-illustrated-key-to-the-anisoptera/10965/
Dragonfly Genera of the New World: An Illustrated Key to the Anisoptera by Garrison, R.w.; Von...
Dragonfly Genera of the New World: An Illustrated Key to the Anisoptera by Garrison, R.w.; Von Ellenrieder, N.; Louton, J.a. at Pemberley Books
the new worlddragonflygeneraillustratedkey
https://species.wikimedia.org/wiki/Anisoptera_(Dipterocarpaceae)
Anisoptera (Dipterocarpaceae) - Wikispecies
anisopterawikispecies
https://www.miljolare.no/artstre/?side=bilder&base=artstre&or_id=2118&size=160%3A96
Underorden: Libeller (Anisoptera) - Miljolare.no
anisoptera