erc:
who: Love, W.G.
what: Combined Car and Air-Brake Coupling.
when: 18930207
where: https://texashistory.unt.edu/ark:/67531/metapth173302/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://texashistory.unt.edu/ark:/67531/