erc:
who: Roberts, Dan W.
what: Rangers and sovereignty
when: 1914
where: https://texashistory.unt.edu/ark:/67531/metapth5833/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://texashistory.unt.edu/ark:/67531/