Bibliography:

• Chos kyi rnam grangs shes bya'i 'dod dgu 'jo ba'i ljon shing (Darjeeling 2004), in 562 pages.
• Gangs can pa'i zlos sgra'i tshig tshogs rnam par brgyan pa dbyig gi mdzod, Mi rigs dpe skrun khang (Beijing 2004), 535 pages. I have actually never seen this dictionary. It's supposed to be a dictionary of Tibetan idioms.