Stipčević, Aleksandar. The Illyrians: History and Culture. Noyes Press, 1977. ISBN 0815550529. с. 89. It is generally agreed, and rightly so, that the modern Albanian cap originates directly from the similar cap worn by the Illyrians.
Recherches albanologiques: Folklore et ethnologie. Instituti Albanologijik i Prishtinës, 1982. с. 52. Посетен на 14 април 2013. Ne kuadrin e veshjeve me përkime ilire, të dokumentuara gjer më tani hyjnë tirqit, plisi, qeleshja e bardhë gjysmësferike, goxhufi-gëzofi etj
Nagel. Albania. Nagel Publishers, 1990. ISBN 978-2-8263-0827-0. с. 62. Посетен на 14 април 2013. The qeleshe, the white felt cap worn by men, was a distinctively Albanian type of headgear both within the country and beyond its frontiers [...] „Among the mountain people of the north it was hemispherical in form; at Kukés in the form of a truncated cone“
Gillian Gloyer. Bradt Albania. Bradt Travel Guides, 2012. ISBN 978-1-84162-387-0. с. 49. Посетен на 14 април 2013. The best place in Albania to shop for souvenirs is Kruja, where all the shops are close together in the bazaar. There are traditional felt-makers, who produce slippers and the felt caps called qeleshe