Tucci Religions of Tibet (PDF)

In Tibet the king Langdarma in 905 CE tried to destroy all the Buddhist teachings by destroying the Buddhist texts and closing all the Buddhist monasteries.

After Longdharma was assassinated in 905, Rinchen Zangpo assembled 75 Tibetan scholars and they began reconstructed Buddhism in Tibet which took many years.

This book by Tucci recounts this part of Tibetan history.