The year in which this book was published is not known and not mentioned anywhere, but <a rel="nofollow" class="external text" href="https://www.finearts.go.th/storage/contents/file/IGemSbhgtJdDSPpjDDkvucDnJhMCFqAt7Xo4YhD7.pdf">the preface of this book</a>, written by the Fine Arts Department of Thailand, says the present book was published during the lifetime of Vajiravudh.
<bdi><a href="https://en.wikipedia.org/wiki/en:Vajiravudh" class="extiw" title="w:en:Vajiravudh"><span title="King of Siam">Vajiravudh</span></a>
</bdi>
มงกุฎเกล้าเจ้าอยู่หัว, พระบาทสมเด็จพระ. (ม.ป.ป.). <i>พระราชนิพนธ์พระร่วง</i>. พระนคร: ม.ป.พ.