布顏. 懷慶府志 :32卷. [China], 乾隆53-54 [1788-1789].
see below
<a rel="nofollow" class="external free" href="https://iiif.lib.harvard.edu/manifests/view/drs:48784159">https://iiif.lib.harvard.edu/manifests/view/drs:48784159</a>