These treatises were prepared by scribes, buried in a stupa built at some point to honor the memory of a Buddhist monk or some other regional influential person. Hoernle distinguished four scribes, based on their handwriting, subtle font and style differences. One scribe wrote Parts I, II and III; second wrote Part IV; third wrote Parts V and VII; while a fourth wrote Part VI.[1] He added that there may have been more than four scribes, because Part VI has some scribal differences, while V and VII too seems cursive and careless work of possibly more than one person.[15]