http://www.mmph.org -Ministry of environment and spatial planning of Kosova site
http://www.peja-komuna.org -local government of Peja town site
http://www.uis-speleo.org -international union of speleology site
http://www.sss.sk -Slovakian federation of speleology
http://www.balkan-speleo.org -Balkan federation of speleology
http://www.speleomania.com
http://www.cavepage.magna.com
http://www.bcra.org.uk -British cave federation
http://www.caves.org
http://www.isaak.org
http://www.klisura.speleo.sk -digital map site
http://www.recreation.gourt.com/Outdoors/Speleology/Organizations/Europe
www.speleo-foto.de