Bardo Thodol
Shugchang, "et al." (2000: p. 5) discuss the Zhitro (Tibetan: Zhi-khro) cycle of teachings of Karma Lingpa which includes the "Bardo Thodol" and list the Six Bardo: "The first bardo begins when we take birth and endures as long as we live. The second is the bardo of dreams. The third is the bardo of concentration or meditation. The fourth occurs at the moment of death. The fifth is known as the bardo of the luminosity of the true nature. The sixth is called the bardo of transmigration or karmic becoming.