List of pear cultivars (English Wikipedia)

"ほうすい" [Hosui]. ニホンナシ育成品種の系統図 [Pedigree chart of Japanese pear breeds] (in Japanese). Archived from the original on 2011-10-03.
"こうすい" [Kosui]. ニホンナシ育成品種の系統図 [Pedigree chart of Japanese pear breeds] (in Japanese). Archived from the original on 2011-10-03.
"にじっせいき (在来品種)" [Nijisseiiki (Native variety)]. ニホンナシ育成品種の系統図 [Pedigree chart of Japanese pear breeds] (in Japanese). Archived from the original on 2011-10-03.

ashs.org

R.L. Bell; T. van der Zwet; Roland C. Blake (2002). "'Blake's Pride' Pear". HortScience. 37 (4): 711–713. doi:10.21273/HORTSCI.37.4.711.

Elzebroek, A.T.G.; Wind, K. (2008). Guide to Cultivated Plants. Wallingford: CAB International. p. 27. ISBN 978-1-84593-356-2.
Dris, Ramdane; Jain, S. Mohan, eds. (2004). Production Practices and Quality Assessment of Food Crops. Volume 3, Quality Handling and Evaluation. Springer. p. 274. ISBN 978-1-4020-1700-1. Retrieved 2007-10-10.

Predieri, Stefano; Gatti, Edoardo (2009). "Effects of cold storage and shelf-life on sensory quality and consumer acceptance of 'Abate Fetel' pears". Postharvest Biology and Technology. 51 (3): 342–8. doi:10.1016/j.postharvbio.2008.09.006.
R.L. Bell; T. van der Zwet; Roland C. Blake (2002). "'Blake's Pride' Pear". HortScience. 37 (4): 711–713. doi:10.21273/HORTSCI.37.4.711.

"Beurré Hardy pear tree, early and abundant". Nature & Garden. 31 October 2022. Retrieved 2023-01-19.

"Nashi variety : Housui". Nashi asian pear varieties. NSW Primary Industries. Archived from the original on 2015-06-25. Retrieved 2014-10-22.
"Nashi variety : Kosui". Nashi asian pear varieties. NSW Primary Industries. Archived from the original on 2015-06-25. Retrieved 2014-10-22.
"Nashi variety : Nijiseiki". Nashi asian pear varieties. NSW Primary Industries. Archived from the original on 2015-06-25. Retrieved 2014-10-22.

"Pero – in Italian" (PDF). Archived from the original (PDF) on 2011-07-22. Retrieved 2012-06-23.

"Fruit Variety" (PDF). sdstate.edu. South Dakota State University. Retrieved 2022-06-07.

"Tru-Cape South Africa | Rosemarie". www.tru-cape.com. Archived from the original on 2015-12-17.

"Pero – in Italian" (PDF). Archived from the original (PDF) on 2011-07-22. Retrieved 2012-06-23.
"ほうすい" [Hosui]. ニホンナシ育成品種の系統図 [Pedigree chart of Japanese pear breeds] (in Japanese). Archived from the original on 2011-10-03.
"Nashi variety : Housui". Nashi asian pear varieties. NSW Primary Industries. Archived from the original on 2015-06-25. Retrieved 2014-10-22.
"こうすい" [Kosui]. ニホンナシ育成品種の系統図 [Pedigree chart of Japanese pear breeds] (in Japanese). Archived from the original on 2011-10-03.
"Nashi variety : Kosui". Nashi asian pear varieties. NSW Primary Industries. Archived from the original on 2015-06-25. Retrieved 2014-10-22.
"にじっせいき (在来品種)" [Nijisseiiki (Native variety)]. ニホンナシ育成品種の系統図 [Pedigree chart of Japanese pear breeds] (in Japanese). Archived from the original on 2011-10-03.
"Nashi variety : Nijiseiki". Nashi asian pear varieties. NSW Primary Industries. Archived from the original on 2015-06-25. Retrieved 2014-10-22.
"Tru-Cape South Africa | Rosemarie". www.tru-cape.com. Archived from the original on 2015-12-17.