These collections service publications about the King and Royal families in Thai and foreign languages and book about Thailand and royal government gazettes. They collect private collection of Phya Anuman Rajadhon and Luang Wichitwathakan. They provide ASEAN and international books collection which are published in difference languages, total 64 countries, 55 languages and the original of royal government gazettes are available from the reign of King Rama V to the present.