<http://schema.org/sameAs>
<https://www.facebook.com/The-Portal-to-Texas-History-94814850619/>
<https://texashistory.unt.edu/explore/collections/THC/browse/?sort=date_d&fq=untl_decade%3A1840-1849&display=list&fq=untl_institution%3APCHBM>