English: Prachum Pakaranam ("Collection of Tales") is a book series in which ancient Thai tales of foreign origin are compiled, published by the Wachirayan Royal Library. The present volume consists of the following:
A preface by Prince Damrong Rachanuphap, dated 20 December 2465 BE (1922 CE).
Rueang Sipsong Liam ("Tales from the Twelves Crests"), renamed by Prince Damrong Rachanuphap as Nithan Iran Ratchatham ("Tales of the Royal Dharma of Iran") – The original manuscript was created in the year 2325 BE (1782/83 CE) during the reign of King Rama I of Bangkok, containing twelves Persian tales which "King Mamun" (Sultan Mahmud of Ghazni) found inscribed on twelves crests of the hall where the dead body of "King Naowasawan" (Nushirwan [referring to Khosrow I]?) was kept. Damrong Rachanuphap believed that these tales were originally translated into Thai during the reign of King Narai of Ayutthaya.
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