周景柱. 寧武府志 :12卷. [China], 乾隆17 [1752].
see below
<a rel="nofollow" class="external free" href="https://iiif.lib.harvard.edu/manifests/view/drs:49298235">https://iiif.lib.harvard.edu/manifests/view/drs:49298235</a>