The Thar-lay (South) Monastery library preserves a small but significant collection of palmleaves for the use of Researchers, scholars. The collection, which is in the process of cataloging, need to be, added the class number for individual item. So, there is appeared some effort to produce the propose class number for the collection. The Thar-lay (South) Monastery library includes (19) subject headings in group of the manuscripts. The presentation gives an overview of the The Thar-lay (South) Monastery library collection of manuscripts and propose the class number. . So, there is appeared some effort to produce the propose class number for Tipitaka catalog formats especially manuscripts (palm-leaf)