(en) James B. Minahan, The Complete Guide to National Symbols and Emblems [2 volumes], , 977 p. (ISBN9780313344978, lire en ligne), p. 181.
(en) Robert Beér, The encyclopedia of Tibetan symbols and motifs, p. 78 : « Hence the snow-lion is the national animal symbol of Tibet: it adorns Tibet's national flag, its government seals of office, its coins, banknotes, and stamps, and forms the insignia of His Holiness the Dalai Lama ».