The present book is the first volume of the second edition of <i>Phraratchaphongsawadan Chabap Phraratchahatthalekha</i> ("Royal Chronicle: Phraratchahatthalekha Version"; also translated by some as <i>Royal Chronicle: Royal Autograph Version</i>), a revised version of an earlier royal chronicle. The revision was done by King <a href="https://en.wikipedia.org/wiki/Mongkut" class="extiw" title="w:Mongkut">Mongkut</a> of Siam together with his younger brother, Prince <a href="https://en.wikipedia.org/wiki/Wongsa_Dhiraj_Snid" class="extiw" title="w:Wongsa Dhiraj Snid">Wongsathirat Sanit</a>, and was completed in the year 2398 BE (1855/56 CE). The present edition also contains a commentary by a son of King Mongkut, Prince <a href="https://en.wikipedia.org/wiki/Damrong_Rajanubhab" class="extiw" title="w:Damrong Rajanubhab">Damrong Rachanuphap</a>.
<bdi><a href="https://www.wikidata.org/wiki/Q13026749" class="extiw" title="d:Q13026749"><span title="government agency of Siam">Historical Society of Siam</span></a>
</bdi>
โบราณคดีสโมสร (ผู้รวบรวม). (๒๔๕๗). <i>พระราชพงษาวดาร ฉบับพระราชหัดถเลขา เล่ม ๑</i>. (พิมพ์ครั้งที่ ๒). กรุงเทพฯ: โรงพิมพ์ไทย.