This book contains a compilation of treaties of Siam from 2398 BE (1855/56 CE) to 2463 BE (1920/21 CE). The book contains no information about the compiler, publisher, printer, year of printing, etc. Such year is obtained from <a rel="nofollow" class="external text" href="https://discovery.ebsco.com/c/3q5j6g/details/hvuib3zg6f?q=%E0%B8%AB%E0%B8%99%E0%B8%B1%E0%B8%87%E0%B8%AA%E0%B8%B7%E0%B8%AD%E0%B8%AA%E0%B8%B1%E0%B8%8D%E0%B8%8D%E0%B8%B2%E0%B8%97%E0%B8%B2%E0%B8%87%E0%B8%9E%E0%B8%A3%E0%B8%B0%E0%B8%A3%E0%B8%B2%E0%B8%8A%E0%B9%84%E0%B8%A1%E0%B8%95%E0%B8%A3%E0%B8%B5">Chulalongkorn University's Office of Academic Resources</a>.
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Unknown author<span style="display: none;">Unknown author</span></div>
<i><a rel="nofollow" class="external text" href="http://libdoc.dpu.ac.th/mtext/ladoc/096.pdf">หนังสือสัญญาทางพระราชไมตรี</a></i>. (๒๔๖๔). ม.ป.ท.: ม.ป.พ.