1. BirdLife International. 2013. Geronticus eremita. The IUCN Red List of Threatened Species. Version 2014.3. IUCN Redlist; [cited 2015 Feb 23]. Available from: http://www.iucnredlist.org/details/22697488/
2. BirdLife International. 2015. Species factsheet: Geronticus eremita. BirdLife; [cited 2015 Mar 24]. Available from: http://www.birdlife.org/datazone/speciesfactsheet.php?id=3791.
3. Böhm C Pegoraro K . 2011. Der Waldrapp (Geronticus eremita). Ein Glatzkopf in Turbulenzen. 1. Auflage. Die Neue Brehm-Bücherei Bd. 659. Westarp Wissenschaften, Hohenwarsleben.
4. Contribution of research to conservation action for the Northern Bald Ibis Geronticus eremita in Morocco;Bowden;Bird Conserv Int,2008