An alternative term, "lamaism", and was used to distinguish Tibetan Buddhism from other buddhism. The term was taken up by western scholars including Hegel, as early as 1822 (Lopez, Donald S. Jr. (1999). Prisoners of Shangri-La: Tibetan Buddhism and the West. Chicago: University of Chicago Press. pp. 6, 19f. ISBN0-226-49311-3.). Insofar as it implies a discontinuity between Indian and Tibetan Buddhism, the term has been discredited (Conze, 1993).