This book contains the following:
<ol><li>A preface by Phra Satsanasophon (Charoen Yanawaro) [aka Phra Sāsanasobhana (Charoen Ñānavaro)], dated 1 January 2469 BE (1927 CE).</li>
<li>A preface by HRH Prince <a href="https://en.wikipedia.org/wiki/Vajirananavarorasa" class="extiw" title="w:Vajirananavarorasa">Wachirayanwarorot</a> (aka Vajirañāṇavarorasa) of Siam, dated 1 October 124 RE (2448 BE, 1905 CE).</li>
<li><i>Phra Pathommasompho</i> or <i>Phra Pathommasomphot</i> (Pali: Vara Pathamasambodhi; literally "First, Holy Enlightenment"), a (fictionalised?) narration of the life of Gautama Buddha, written by HH <a href="https://en.wikipedia.org/wiki/Ariyavangsagatayana_(Sa_Pussadeva)" class="extiw" title="w:Ariyavangsagatayana (Sa Pussadeva)">Ariyawongsakhayan (Sa Putsathewa)</a> [aka Ariyavamsagatañāṇa (Sa Pussadeva)], revised by HRH Prince <a href="https://en.wikipedia.org/wiki/Vajirananavarorasa" class="extiw" title="w:Vajirananavarorasa">Wachirayanwarorot</a> (aka Vajirañāṇavarorasa) of Siam.</li></ol>
<bdi><a href="https://en.wikipedia.org/wiki/en:Ariyavangsagatayana_(Sa_Pussadeva)" class="extiw" title="w:en:Ariyavangsagatayana (Sa Pussadeva)"><span title="Thai Buddhist priest">Ariyavangsagatayana (Sa Pussadeva)</span></a>
</bdi>
อริยวงศาคตญาณ (สา ปุสฺสเทโว), สมเด็จพระ. (๒๔๗๒). <i>พระปฐมสมโพธิแบบธรรมยุตต์</i>. (พิมพ์ครั้งที่ ๖). พระนคร: โรงพิมพ์พระจันทร์.