snuffbottle.org International Chinese Snuff Bottle Society
dpm.org.cn 故宮博物院 – 北京
npm.gov.tw 國立故宮博古院 – 臺北
cuhk.edu.hk/ics/amm Chinese University of Hong Kong Museum
asianartstudio.com Asian Art Studio
jncohen.com The Cohen Collection (25 Euros one time payment)
e-yaji.com Hugh Moss (HK) Ltd.
snuffbottle.com Robert Hall