21. Reference : RS-1-2-4-021

a daily notebook of Pratanporn Kitsarakul is noted fieldwork at Thamlod rockshelter in Pangmapha Maehongson during 10-24 April 2002

| 2001 | a daily notebook of Pratanporn Kitsarakul is noted fieldwork at Thamlod rockshelter in Pangmapha Maehongson during 10-24 April 2002 | Notebook

22. Reference : RS-1-1-5-001

a field notebook of Nootnapang Chumdee who archaeological researcher assistant noted survey fieldwork in Pangmapha Maehongson during 9-29 May 1998 . The book noted about cave information, a detailed of log coffin and provenience of artifacts.

| 1998 | a field notebook of Nootnapang Chumdee who archaeological researcher assistant noted survey fieldwork in Pangmapha Maehongson during 9-29 May 1998 . The book noted about cave information, a detailed of log coffin and provenience of artifacts. | Notebook

23. Reference : RS-1-1-5-002

a daily notebook of Nootnapang Chumdee who archaeological researcher assistant is noted fieldwork and routine in Pangmapha Maehongson . during 28 April-29 May 1998

| 1998 | a daily notebook of Nootnapang Chumdee who archaeological researcher assistant is noted fieldwork and routine in Pangmapha Maehongson . during 28 April-29 May 1998 | Notebook

24. Reference : RS-1-1-5-003

a daily notebook of Nootnapang Chumdee who archaeological researcher assistant is noted fieldwork and routine in Pangmapha Maehongson . during 15 October-29 November 1999

| 1998 | a daily notebook of Nootnapang Chumdee who archaeological researcher assistant is noted fieldwork and routine in Pangmapha Maehongson . during 15 October-29 November 1999 | Notebook