*[https://waseda.repo.nii.ac.jp/?action=repository_uri&item_id=25896&file_id=162&file_no=1 Prakan Klinfoong. “The Establishment of Bureau of the Royal Household: The Reform of Siamese Royal Court after the 1932 Revolution.” '''Journal of the Graduate School of Asia-Pacific Studies''' 31 (March 2016): 39-55.]