Savisaar, S. 2004. Eesti sibullillede entsükolpeedia. Kirjastus Varrak.

Savisaar, S. 2007. 100 sibullille. AS Ajakirjade Kirjastus.

Zaletajeva, J. 1975. Tulbid. Tln Valgus.

http://pubs.caes.uga.edu/caespubs/pubcd/B918.htm

http://www.adrbulbs.com/index.cfm?fuseaction=bulbs.main&catID=2&alphaKey=T&whichName=genus&showIntro=0

http://www.aiasober.ee/index.php?Menu=3&ID=271

http://www.amsterdamtulipmuseum.com/

http://www.bulbsociety.org/http://www.plantpress.com/plant-encyclopedia/

http://www.ca.uky.edu/agc/pubs/ho/ho35/ho35.htm

http://www.flower-garden-bulbs.com/

http://www.tulipworld.com/

http://www.vanbloem.com/index.cfm/fuseaction/bulbs.main/index.htm

http://www.wbbc.nl/Tulips.htm