Found in articles
Provinces of Thailand
Harmonized System (HS)?". World Customs Organization. "ISO 3166-2:TH". Tej Bunnag (1969). The Provincial Administration of Siam from 1892 to 1915. p. 273ff
from the original (PDF) on 31 August 2021. Retrieved 25 December 2013. Tej Bunnag (2005). Intendancy System of Government in Siam: 1892–1915 (PDF) (in Thai)
of Siam. The title of Phya Kalyanamaitri was also bestowed upon him. Bunnag, Tej (1977). The provincial administration of Siam, 1892-1915 : the Ministry
of Qom, south of Tehran. However, this is disputed by his descendant Tej Bunnag, Thailand's Minister of Foreign Affairs, who claimed his ancestor hailed
เทศาภิบาล [Thesaphiban] (PDF) (in Thai). Bangkok: Matichon. ISBN 9743227814. Tej Bunnag (1977). The Provincial Administration of Siam, 1892-1915: the Ministry