趙廷颺. 延安府(陝西)志 :9卷. [China], 康熙19 [1680].
see below
<a rel="nofollow" class="external free" href="https://iiif.lib.harvard.edu/manifests/view/drs:49641088">https://iiif.lib.harvard.edu/manifests/view/drs:49641088</a>