Scope and content Collection includes personal and family letters, including letters from his parents in Bangkok and from Prince Sonapandit of the Private Secretary's Office, Grand Palace, Bangkok; documents relating to a Siamese railway concession, including printed prospectus and concession, 1886, by Alfred John Loftus and others and manuscript petitions by Phya Maha Yotha and Pra Nides Choldi, 1896; professional correspondence about the coronation in Bangkok, 1911, and mention of events leading to...