Tsering Shakya, Historical Introduction in Leaders in Tibet: A Directory, Tibet Information Network, London, 1997, p. 9 : « It is most likely that cadres and Party members with clean class backgrounds were promoted to the foreground and that Party members with bad class backgrounds were purged. In the TAR, people such as Dorje Tseten, by then a party member for nearly 20 years who had been active in the late '50s and early '60s, disappeared during the Cultural Revolution, only to re-emerge much later »
