About Birch bark manuscript

Birch bark manuscripts are documents written on pieces of the inner layer of birch bark, which was commonly used for writing before the advent of mass production of paper. Evidence of birch bark for writing goes back many centuries and in various cultures.
Burmese-Pali Palm-leaf manuscript.

Early Buddhist texts – Retracing the historical Buddhist discourses

Early Buddhist texts (EBTs), early Buddhist or early Buddhist discourses are parallel texts shared by the early Buddhist schools. The most widely studied EBT material are the first four Pali Nikayas, as well as the corresponding Chinese Āgamas. However, some scholars have also pointed out that some Vinaya material, like the Patimokkhas of the different Buddhist schools, as well as some material from the earliest Abhidharma texts could also be quite early. Besides the large .