Taikoku geijitsukyoku kokobu Thai Fine Arts Department Archaeology Division 1992, 321–325.
Caaruk 2002, 191.
Radiocarbon (C14) analysis
Paleomagnetic
Tsuda 2005, 55 and 57.
C14 analysis of charcoal from the firing chamber in the Phayagyi kiln site showed the following datings (kiln ceiling collapsed in midst of firing):
A.D. 1525 (within 1519–1534 including error) with probability 17.1%
A. D. 1559 (1537-1595) with 65.8%
A. D. 1630 (1621-1637) with 17.1%
Indicates final firing of kiln circa 1519-1637, most likely 1559.
