https://tinyurl.com/MasterWorksOfChinesePorcelain

https://www.chineancienne.fr/d%C3%A9but-20e-s/ballot-petite-histoire-de-la-porcelaine-de-chine/

https://www.christies.com/features/Song-ceramics-collecting-guide-7621-1.aspx

https://www.musee-ariana.ch/fr/media/951/download?attachment